<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:68def15c-8748-40e4-94d9-6eb4ff41396f,g:64642d8b-0b71-4b4a-b36c-a41d6db0686a-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.nationalvision.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="eye-20250329.xsd#CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_281663fb-f2f1-4dbc-9766-bcbba36a64aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_StatementTable_281663fb-f2f1-4dbc-9766-bcbba36a64aa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_056a1fa6-6300-487f-8775-bb3da01b4de0" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_281663fb-f2f1-4dbc-9766-bcbba36a64aa" xlink:to="loc_srt_ProductOrServiceAxis_056a1fa6-6300-487f-8775-bb3da01b4de0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_056a1fa6-6300-487f-8775-bb3da01b4de0_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_056a1fa6-6300-487f-8775-bb3da01b4de0" xlink:to="loc_srt_ProductsAndServicesDomain_056a1fa6-6300-487f-8775-bb3da01b4de0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1977c3f1-3d13-4e98-a03f-af3f86a3891c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_056a1fa6-6300-487f-8775-bb3da01b4de0" xlink:to="loc_srt_ProductsAndServicesDomain_1977c3f1-3d13-4e98-a03f-af3f86a3891c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ProductSalesMember_0c371c1d-b6b3-4e55-923a-e4b3632e3204" xlink:href="eye-20250329.xsd#eye_ProductSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1977c3f1-3d13-4e98-a03f-af3f86a3891c" xlink:to="loc_eye_ProductSalesMember_0c371c1d-b6b3-4e55-923a-e4b3632e3204" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ServicesAndPlansMember_8e7b21c4-59d9-42d9-a170-99754729de0d" xlink:href="eye-20250329.xsd#eye_ServicesAndPlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1977c3f1-3d13-4e98-a03f-af3f86a3891c" xlink:to="loc_eye_ServicesAndPlansMember_8e7b21c4-59d9-42d9-a170-99754729de0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9639ba7f-a343-49ca-b988-b462d0c7c653" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9639ba7f-a343-49ca-b988-b462d0c7c653" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_87a9b891-fb3b-4455-9a3d-4421332af628" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_9639ba7f-a343-49ca-b988-b462d0c7c653" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_87a9b891-fb3b-4455-9a3d-4421332af628" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e7a23f0f-c34d-48a8-b025-1766b99b88ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e7a23f0f-c34d-48a8-b025-1766b99b88ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_b5753bc2-9389-48b9-b4c9-1bb7e36033dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_e7a23f0f-c34d-48a8-b025-1766b99b88ac" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_b5753bc2-9389-48b9-b4c9-1bb7e36033dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_adef3caf-a356-43ea-a316-c5016174c568" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_adef3caf-a356-43ea-a316-c5016174c568" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_48377922-88d6-49dd-8cf8-95e3ff081d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:to="loc_us-gaap_DepreciationAndAmortization_48377922-88d6-49dd-8cf8-95e3ff081d3e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_b35636dc-0282-42fe-a814-f410aba33381" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:to="loc_us-gaap_AssetImpairmentCharges_b35636dc-0282-42fe-a814-f410aba33381" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_e8c9c1d9-b357-4a56-817e-9868f636f6fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_e8c9c1d9-b357-4a56-817e-9868f636f6fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_74e7227b-e51c-46af-83d7-f3893226ab03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_c2529b3d-a331-40d1-bda0-949c15cd9882" xlink:to="loc_us-gaap_OperatingExpenses_74e7227b-e51c-46af-83d7-f3893226ab03" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_0f1336ba-dcf4-471b-8737-62f2798cb16c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_OperatingIncomeLoss_0f1336ba-dcf4-471b-8737-62f2798cb16c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_71dd3c27-e2d5-445f-a810-5c84c2973cff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_71dd3c27-e2d5-445f-a810-5c84c2973cff" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a447b91a-c972-47ad-8c3f-f157dd3030eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_a447b91a-c972-47ad-8c3f-f157dd3030eb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_13422397-093d-4b69-b8ab-fd24d7b9fb73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_13422397-093d-4b69-b8ab-fd24d7b9fb73" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_3b0337a5-77f2-4d11-8419-c45b439aaa6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_3b0337a5-77f2-4d11-8419-c45b439aaa6e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_a10e39a2-6e07-4698-bcf3-44894b1f8e85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_a10e39a2-6e07-4698-bcf3-44894b1f8e85" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_4a83f1e8-8592-4874-ac36-511ec2f1a2c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_NetIncomeLoss_4a83f1e8-8592-4874-ac36-511ec2f1a2c3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_a3dbe131-70df-43fd-87dd-bf797ba958cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_a3dbe131-70df-43fd-87dd-bf797ba958cd" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_499d3f3f-e834-42b0-8fab-ce7bd641c3ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_a3dbe131-70df-43fd-87dd-bf797ba958cd" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_499d3f3f-e834-42b0-8fab-ce7bd641c3ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_1b2351d8-372a-4fbd-b2b6-a68ab3601a24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_a3dbe131-70df-43fd-87dd-bf797ba958cd" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_1b2351d8-372a-4fbd-b2b6-a68ab3601a24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_a5c90f14-b8e8-4eeb-a68d-41adab6e0c24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_a3dbe131-70df-43fd-87dd-bf797ba958cd" xlink:to="loc_us-gaap_EarningsPerShareBasic_a5c90f14-b8e8-4eeb-a68d-41adab6e0c24" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_30125d74-dd2d-4294-87e9-21a647038a0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_30125d74-dd2d-4294-87e9-21a647038a0f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8df917ee-bdd2-4922-b157-de7795821e32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_30125d74-dd2d-4294-87e9-21a647038a0f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8df917ee-bdd2-4922-b157-de7795821e32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_26036d64-7eea-4e0b-b430-7be33c66592c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_30125d74-dd2d-4294-87e9-21a647038a0f" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_26036d64-7eea-4e0b-b430-7be33c66592c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7777106d-5c55-48e7-bfaa-203967151be7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_30125d74-dd2d-4294-87e9-21a647038a0f" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7777106d-5c55-48e7-bfaa-203967151be7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareReconciliationAbstract_1599ca78-5c69-4fc5-a15c-87e46f6748e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareReconciliationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_EarningsPerShareReconciliationAbstract_1599ca78-5c69-4fc5-a15c-87e46f6748e4" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_75b2ca88-9165-418f-9b35-5c7afeba1917" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_1599ca78-5c69-4fc5-a15c-87e46f6748e4" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_75b2ca88-9165-418f-9b35-5c7afeba1917" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4ddd3df9-36bb-441a-8490-379bcdece323" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_1599ca78-5c69-4fc5-a15c-87e46f6748e4" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4ddd3df9-36bb-441a-8490-379bcdece323" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_72aa006f-0167-4d61-b4bd-54c2cc8ce92a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_861d1f88-68bd-45a1-ba5a-c1bae3ef0c55" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_72aa006f-0167-4d61-b4bd-54c2cc8ce92a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_bee01377-ef8c-448e-8351-ff686f3cf124" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_41d65356-a187-4da3-92ac-2a5056fec121" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_72aa006f-0167-4d61-b4bd-54c2cc8ce92a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_41d65356-a187-4da3-92ac-2a5056fec121" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax_41d08d8f-ba61-423e-9ed0-d428ddbd247b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_72aa006f-0167-4d61-b4bd-54c2cc8ce92a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax_41d08d8f-ba61-423e-9ed0-d428ddbd247b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_5dcad00c-c236-470e-8fec-023ca0ae22e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_72aa006f-0167-4d61-b4bd-54c2cc8ce92a" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_5dcad00c-c236-470e-8fec-023ca0ae22e3" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="simple" xlink:href="eye-20250329.xsd#CondensedConsolidatedStatementsofStockholdersEquityUnaudited"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_920ddf4c-5bbd-4d3d-825c-42c70020a868" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_99fc5dd8-de9f-4293-920c-e513c2332722" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_920ddf4c-5bbd-4d3d-825c-42c70020a868" xlink:to="loc_us-gaap_StatementTable_99fc5dd8-de9f-4293-920c-e513c2332722" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_2780ea51-742a-46c8-8d96-f7fb45b879f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_99fc5dd8-de9f-4293-920c-e513c2332722" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2780ea51-742a-46c8-8d96-f7fb45b879f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_2780ea51-742a-46c8-8d96-f7fb45b879f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2780ea51-742a-46c8-8d96-f7fb45b879f8" xlink:to="loc_us-gaap_EquityComponentDomain_2780ea51-742a-46c8-8d96-f7fb45b879f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2780ea51-742a-46c8-8d96-f7fb45b879f8" xlink:to="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_b0d54742-1782-43bc-ad6a-8026ae438f32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:to="loc_us-gaap_CommonStockMember_b0d54742-1782-43bc-ad6a-8026ae438f32" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_52f32ac3-3bd4-43b5-ba54-24080d77e6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_52f32ac3-3bd4-43b5-ba54-24080d77e6a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_aadcf342-a752-4278-ae6b-ed0b71028692" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_aadcf342-a752-4278-ae6b-ed0b71028692" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_0561e45f-2a5b-46ee-a700-755dfbccb374" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:to="loc_us-gaap_RetainedEarningsMember_0561e45f-2a5b-46ee-a700-755dfbccb374" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_9994c0ee-ffcb-42c5-a767-f1e3e14a0164" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ba1a2121-1f7e-499e-b1e0-f107ef6480d9" xlink:to="loc_us-gaap_TreasuryStockCommonMember_9994c0ee-ffcb-42c5-a767-f1e3e14a0164" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_920ddf4c-5bbd-4d3d-825c-42c70020a868" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_ec8be466-dfd5-444e-9c5b-13c3d982ff2a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_ec8be466-dfd5-444e-9c5b-13c3d982ff2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_87161ab9-eb5a-4656-a77a-979998628c4e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_StockholdersEquity_87161ab9-eb5a-4656-a77a-979998628c4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_a5e19df2-953f-4d3d-bcb2-838850608417" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_a5e19df2-953f-4d3d-bcb2-838850608417" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_68e18e05-18c6-4a43-845f-7d65efabcf2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_68e18e05-18c6-4a43-845f-7d65efabcf2c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_ba46bc05-69ed-48c7-8b25-523e5a48464f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_ba46bc05-69ed-48c7-8b25-523e5a48464f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_1f033665-6b8e-4bff-a1cd-128b4be2de8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_1f033665-6b8e-4bff-a1cd-128b4be2de8c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_862bf2bb-5a57-4c55-a465-b100a2294159" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_862bf2bb-5a57-4c55-a465-b100a2294159" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_4bd693cb-0e59-4e4d-857b-ca699932ed1a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_4bd693cb-0e59-4e4d-857b-ca699932ed1a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_827e21e9-91d0-4127-8107-8d41bbe2cce7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_356a020c-ed9d-4b94-b23f-1502b3b85917" xlink:to="loc_us-gaap_NetIncomeLoss_827e21e9-91d0-4127-8107-8d41bbe2cce7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_31ad1139-6f03-4c78-8693-4f9f0e86fd5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c00c22ca-a30a-4a9c-80a9-4be17d053f39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DescriptionofBusinessandBasisofPresentationBasisofPresentationandPrinciplesofConsolidationDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DescriptionofBusinessandBasisofPresentationBasisofPresentationandPrinciplesofConsolidationDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DescriptionofBusinessandBasisofPresentationBasisofPresentationandPrinciplesofConsolidationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_8d76a2c0-84a7-4dee-a0a3-5e614a9cb9ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_d943fa96-84cd-44c9-9bc3-c9cbefdb5f2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_8d76a2c0-84a7-4dee-a0a3-5e614a9cb9ac" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_d943fa96-84cd-44c9-9bc3-c9cbefdb5f2f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_b8a835dd-f28f-4436-8c1c-2dde1430f805" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_d943fa96-84cd-44c9-9bc3-c9cbefdb5f2f" xlink:to="loc_srt_ConsolidatedEntitiesAxis_b8a835dd-f28f-4436-8c1c-2dde1430f805" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_b8a835dd-f28f-4436-8c1c-2dde1430f805_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_b8a835dd-f28f-4436-8c1c-2dde1430f805" xlink:to="loc_srt_ConsolidatedEntitiesDomain_b8a835dd-f28f-4436-8c1c-2dde1430f805_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_c0574167-8ec0-4a73-875a-13c36d1be906" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_b8a835dd-f28f-4436-8c1c-2dde1430f805" xlink:to="loc_srt_ConsolidatedEntitiesDomain_c0574167-8ec0-4a73-875a-13c36d1be906" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_40e2e737-f0e4-4a4e-858d-f87d27113bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_c0574167-8ec0-4a73-875a-13c36d1be906" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_40e2e737-f0e4-4a4e-858d-f87d27113bf5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_VariableInterestEntitiesNumberOfCorporations_35b3a65d-1a54-4545-94d6-d127c68ea322" xlink:href="eye-20250329.xsd#eye_VariableInterestEntitiesNumberOfCorporations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_8d76a2c0-84a7-4dee-a0a3-5e614a9cb9ac" xlink:to="loc_eye_VariableInterestEntitiesNumberOfCorporations_35b3a65d-1a54-4545-94d6-d127c68ea322" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_20f80932-54fd-4c0e-b216-c65d57cb8ee1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_8d76a2c0-84a7-4dee-a0a3-5e614a9cb9ac" xlink:to="loc_us-gaap_Assets_20f80932-54fd-4c0e-b216-c65d57cb8ee1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_6b7dc85b-f57b-4daf-b3cc-45af4a671cfd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_8d76a2c0-84a7-4dee-a0a3-5e614a9cb9ac" xlink:to="loc_us-gaap_Liabilities_6b7dc85b-f57b-4daf-b3cc-45af4a671cfd" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DescriptionofBusinessandBasisofPresentationCARESActDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DescriptionofBusinessandBasisofPresentationCARESActDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DescriptionofBusinessandBasisofPresentationCARESActDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemLineItems_7c2293ce-078b-4ea8-b6fb-a5fb5b8c2400" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnusualOrInfrequentItemLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemTable_c74ad078-5ed0-4481-8755-1ec90dc2c3ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnusualOrInfrequentItemTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_UnusualOrInfrequentItemLineItems_7c2293ce-078b-4ea8-b6fb-a5fb5b8c2400" xlink:to="loc_us-gaap_UnusualOrInfrequentItemTable_c74ad078-5ed0-4481-8755-1ec90dc2c3ce" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeAxis_23fee865-10bc-4740-8f67-12946f7b9b14" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GovernmentAssistanceTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_UnusualOrInfrequentItemTable_c74ad078-5ed0-4481-8755-1ec90dc2c3ce" xlink:to="loc_us-gaap_GovernmentAssistanceTypeAxis_23fee865-10bc-4740-8f67-12946f7b9b14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeDomain_23fee865-10bc-4740-8f67-12946f7b9b14_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GovernmentAssistanceTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GovernmentAssistanceTypeAxis_23fee865-10bc-4740-8f67-12946f7b9b14" xlink:to="loc_us-gaap_GovernmentAssistanceTypeDomain_23fee865-10bc-4740-8f67-12946f7b9b14_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceTypeDomain_9da4c287-830c-43f6-8303-a07c4416bd6d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GovernmentAssistanceTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GovernmentAssistanceTypeAxis_23fee865-10bc-4740-8f67-12946f7b9b14" xlink:to="loc_us-gaap_GovernmentAssistanceTypeDomain_9da4c287-830c-43f6-8303-a07c4416bd6d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_TheCARESActMember_88030e96-18da-4f0c-b6c7-5dc5bf108fbf" xlink:href="eye-20250329.xsd#eye_TheCARESActMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GovernmentAssistanceTypeDomain_9da4c287-830c-43f6-8303-a07c4416bd6d" xlink:to="loc_eye_TheCARESActMember_88030e96-18da-4f0c-b6c7-5dc5bf108fbf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GovernmentAssistanceAmountCumulative_67a810ee-d8ba-4dfc-9bbe-d0a568a0260f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GovernmentAssistanceAmountCumulative"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnusualOrInfrequentItemLineItems_7c2293ce-078b-4ea8-b6fb-a5fb5b8c2400" xlink:to="loc_us-gaap_GovernmentAssistanceAmountCumulative_67a810ee-d8ba-4dfc-9bbe-d0a568a0260f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DiscontinuedOperationsNarrativeDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DiscontinuedOperationsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DiscontinuedOperationsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_49934431-ce3c-410e-8da7-aabda28e6a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_027e35cc-7a60-48ff-8ff5-b640c1d00541" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_49934431-ce3c-410e-8da7-aabda28e6a0b" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_027e35cc-7a60-48ff-8ff5-b640c1d00541" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_027e35cc-7a60-48ff-8ff5-b640c1d00541" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5bc34b6b-2f6a-4b7e-8860-3dc0d4b9dbf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_0cc0fb1d-d6b3-4f53-ac8b-dcb28a3e675d" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5bc34b6b-2f6a-4b7e-8860-3dc0d4b9dbf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_WalmartMSAAndACLensMember_efcb8d87-b1ae-410d-a078-dd38c23cc54f" xlink:href="eye-20250329.xsd#eye_WalmartMSAAndACLensMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_5bc34b6b-2f6a-4b7e-8860-3dc0d4b9dbf8" xlink:to="loc_eye_WalmartMSAAndACLensMember_efcb8d87-b1ae-410d-a078-dd38c23cc54f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_2d72c163-5463-4f84-acad-b4ae4a68d852" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_027e35cc-7a60-48ff-8ff5-b640c1d00541" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_2d72c163-5463-4f84-acad-b4ae4a68d852" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_2d72c163-5463-4f84-acad-b4ae4a68d852_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_2d72c163-5463-4f84-acad-b4ae4a68d852" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_2d72c163-5463-4f84-acad-b4ae4a68d852_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_cbfe969b-9194-40ec-ac0e-a0859228a10e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_2d72c163-5463-4f84-acad-b4ae4a68d852" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_cbfe969b-9194-40ec-ac0e-a0859228a10e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_33c0529c-1922-40be-a63f-eccf0220c0fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_cbfe969b-9194-40ec-ac0e-a0859228a10e" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_33c0529c-1922-40be-a63f-eccf0220c0fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_a7a3d840-351a-4e30-9202-55c738bfd6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_49934431-ce3c-410e-8da7-aabda28e6a0b" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_a7a3d840-351a-4e30-9202-55c738bfd6e2" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DiscontinuedOperationsScheduleofDiscontinuedOperationDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DiscontinuedOperationsScheduleofDiscontinuedOperationDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DiscontinuedOperationsScheduleofDiscontinuedOperationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_2ef137b9-36e2-41c6-bfae-90047e4513d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_2ef137b9-36e2-41c6-bfae-90047e4513d1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_2f19050b-4747-40b2-942e-68d510519d21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_2ef137b9-36e2-41c6-bfae-90047e4513d1" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_2f19050b-4747-40b2-942e-68d510519d21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_2f19050b-4747-40b2-942e-68d510519d21_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_2f19050b-4747-40b2-942e-68d510519d21" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_2f19050b-4747-40b2-942e-68d510519d21_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_0ba75e8b-0d09-43c5-b999-856bee107afb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_2f19050b-4747-40b2-942e-68d510519d21" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_0ba75e8b-0d09-43c5-b999-856bee107afb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_449362f2-4fb9-45a3-b80b-463809d0a0a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_0ba75e8b-0d09-43c5-b999-856bee107afb" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_449362f2-4fb9-45a3-b80b-463809d0a0a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_2ef137b9-36e2-41c6-bfae-90047e4513d1" xlink:to="loc_srt_ProductOrServiceAxis_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04" xlink:to="loc_srt_ProductsAndServicesDomain_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_d15953f9-0ba0-4b98-b19f-b071deafd3ee" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8856b8fc-f29b-4d9d-a4be-4ed83f15ce04" xlink:to="loc_srt_ProductsAndServicesDomain_d15953f9-0ba0-4b98-b19f-b071deafd3ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ProductSalesMember_576ebcad-5b2d-44da-a271-f1cfb254ece4" xlink:href="eye-20250329.xsd#eye_ProductSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d15953f9-0ba0-4b98-b19f-b071deafd3ee" xlink:to="loc_eye_ProductSalesMember_576ebcad-5b2d-44da-a271-f1cfb254ece4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ServicesAndPlansMember_93470de0-f547-4b89-94ff-16703a7ebb83" xlink:href="eye-20250329.xsd#eye_ServicesAndPlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d15953f9-0ba0-4b98-b19f-b071deafd3ee" xlink:to="loc_eye_ServicesAndPlansMember_93470de0-f547-4b89-94ff-16703a7ebb83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_2ef137b9-36e2-41c6-bfae-90047e4513d1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_98e0a0aa-bfaa-411b-9ed7-b902341a5d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_58eaee1c-7d57-4a02-aefe-5ef6c0e9167a" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_98e0a0aa-bfaa-411b-9ed7-b902341a5d9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_WalmartMSAAndACLensMember_c0a97f02-1737-447c-ba4f-736ffb675019" xlink:href="eye-20250329.xsd#eye_WalmartMSAAndACLensMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_98e0a0aa-bfaa-411b-9ed7-b902341a5d9d" xlink:to="loc_eye_WalmartMSAAndACLensMember_c0a97f02-1737-447c-ba4f-736ffb675019" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationRevenueDisclosuresAbstract_f7c4965e-cfad-47d5-b4cf-65b8cab9253e" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationRevenueDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationRevenueDisclosuresAbstract_f7c4965e-cfad-47d5-b4cf-65b8cab9253e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_2bd55370-569b-4280-a7f5-f59622e69d2f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationRevenueDisclosuresAbstract_f7c4965e-cfad-47d5-b4cf-65b8cab9253e" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_2bd55370-569b-4280-a7f5-f59622e69d2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationCostOfRevenueDisclosuresAbstract_06120d9c-744e-4fa0-9c9d-96c178cf4639" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationCostOfRevenueDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationCostOfRevenueDisclosuresAbstract_06120d9c-744e-4fa0-9c9d-96c178cf4639" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_54f42137-e37e-4f33-9a16-c51213504507" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationCostOfRevenueDisclosuresAbstract_06120d9c-744e-4fa0-9c9d-96c178cf4639" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_54f42137-e37e-4f33-9a16-c51213504507" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_5c2eacc6-5887-4b28-a55f-3c1663afddda" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_5c2eacc6-5887-4b28-a55f-3c1663afddda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_605fbb7d-2d2b-41df-bda9-c8f9d08648ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_605fbb7d-2d2b-41df-bda9-c8f9d08648ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationOtherExpenseIncome_ca20a4c0-fbe1-4fed-ba73-ad9e961d1f2c" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationOtherExpenseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationOtherExpenseIncome_ca20a4c0-fbe1-4fed-ba73-ad9e961d1f2c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_f6f9d79a-6da6-4e2b-be38-246ac7198d9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesDisclosuresAbstract_32cf3a36-4a29-483e-b20a-61dedfe3db11" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_f6f9d79a-6da6-4e2b-be38-246ac7198d9c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_2d30ad5e-0519-4c34-b220-19370a55ce9e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_2d30ad5e-0519-4c34-b220-19370a55ce9e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_40bb24c0-c5bb-469a-92a4-b99e244fc601" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_40bb24c0-c5bb-469a-92a4-b99e244fc601" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9f89bbd8-e35a-48a4-beb0-8f4c45e221a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_1a7ad0de-cff2-47df-9f4d-1d6c78e1e32a" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9f89bbd8-e35a-48a4-beb0-8f4c45e221a0" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DiscontinuedOperationsScheduleofNonCashitemsandProceedsfromSaleofAssetsRelatedtoDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DiscontinuedOperationsScheduleofNonCashitemsandProceedsfromSaleofAssetsRelatedtoDiscontinuedOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DiscontinuedOperationsScheduleofNonCashitemsandProceedsfromSaleofAssetsRelatedtoDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1bb3ce8-cdfa-4669-8e66-f82b926f59c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7d17a749-7476-4b61-b7ca-25271613bb9d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1bb3ce8-cdfa-4669-8e66-f82b926f59c2" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7d17a749-7476-4b61-b7ca-25271613bb9d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_f75fe904-b3e7-446c-8b00-37a4652bb4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7d17a749-7476-4b61-b7ca-25271613bb9d" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_f75fe904-b3e7-446c-8b00-37a4652bb4ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_f75fe904-b3e7-446c-8b00-37a4652bb4ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_f75fe904-b3e7-446c-8b00-37a4652bb4ef" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_f75fe904-b3e7-446c-8b00-37a4652bb4ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_6a3bbeaa-d44b-4c9d-b426-94590ca0adb8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_f75fe904-b3e7-446c-8b00-37a4652bb4ef" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_6a3bbeaa-d44b-4c9d-b426-94590ca0adb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_03a3b581-9438-4359-9423-441b68fcd9e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_6a3bbeaa-d44b-4c9d-b426-94590ca0adb8" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfByMeansOtherThanSaleAbandonmentMember_03a3b581-9438-4359-9423-441b68fcd9e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2dbfb0e0-878e-4298-8ef8-24c4d33ec816" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7d17a749-7476-4b61-b7ca-25271613bb9d" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2dbfb0e0-878e-4298-8ef8-24c4d33ec816" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2dbfb0e0-878e-4298-8ef8-24c4d33ec816_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2dbfb0e0-878e-4298-8ef8-24c4d33ec816" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2dbfb0e0-878e-4298-8ef8-24c4d33ec816_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_26f20107-e868-4214-8337-6bac74a40ed8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_2dbfb0e0-878e-4298-8ef8-24c4d33ec816" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_26f20107-e868-4214-8337-6bac74a40ed8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_WalmartMSAAndACLensMember_3cb34f00-b433-4791-978e-ae992a72656e" xlink:href="eye-20250329.xsd#eye_WalmartMSAAndACLensMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_26f20107-e868-4214-8337-6bac74a40ed8" xlink:to="loc_eye_WalmartMSAAndACLensMember_3cb34f00-b433-4791-978e-ae992a72656e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:href="eye-20250329.xsd#eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1bb3ce8-cdfa-4669-8e66-f82b926f59c2" xlink:to="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_bc5b3902-ab46-44cc-80f2-8d148f444978" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization_bc5b3902-ab46-44cc-80f2-8d148f444978" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationStockBasedCompensationExpense_e15b58aa-9c47-44c5-9edf-4503929cb8ea" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationStockBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationStockBasedCompensationExpense_e15b58aa-9c47-44c5-9edf-4503929cb8ea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationInventoryAdjustments_de5aed4c-bfbe-4cb8-a385-b43f3c961aa4" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationInventoryAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationInventoryAdjustments_de5aed4c-bfbe-4cb8-a385-b43f3c961aa4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingActivitiesOther_81045922-84e6-402b-8514-9bf744aa0e4f" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationOperatingActivitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_eye_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesDiscontinuedOperationsAbstract_7036b8a2-3d0f-4366-9fe3-e229cb5253a2" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationOperatingActivitiesOther_81045922-84e6-402b-8514-9bf744aa0e4f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_cf4cce89-ac8e-42a4-9a0a-17b1603d208a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_b1bb3ce8-cdfa-4669-8e66-f82b926f59c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_cf4cce89-ac8e-42a4-9a0a-17b1603d208a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_DisposalGroupIncludingDiscontinuedOperationInvestingActivitiesOther_698becc4-a116-48e3-9013-3c0908bdb7a4" xlink:href="eye-20250329.xsd#eye_DisposalGroupIncludingDiscontinuedOperationInvestingActivitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_cf4cce89-ac8e-42a4-9a0a-17b1603d208a" xlink:to="loc_eye_DisposalGroupIncludingDiscontinuedOperationInvestingActivitiesOther_698becc4-a116-48e3-9013-3c0908bdb7a4" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/SeveranceBenefitsDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#SeveranceBenefitsDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/SeveranceBenefitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_b02416b9-be2c-473f-98b1-f55b5c7fbb15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_472798a8-ba03-4af4-8eb6-38ce9155607a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b02416b9-be2c-473f-98b1-f55b5c7fbb15" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_472798a8-ba03-4af4-8eb6-38ce9155607a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_cb1e8fcc-4e17-48e1-a450-7efe280605ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_472798a8-ba03-4af4-8eb6-38ce9155607a" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_cb1e8fcc-4e17-48e1-a450-7efe280605ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_cb1e8fcc-4e17-48e1-a450-7efe280605ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_cb1e8fcc-4e17-48e1-a450-7efe280605ad" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_cb1e8fcc-4e17-48e1-a450-7efe280605ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_988a2104-bef6-4f4c-9dc5-51a407aa03ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_cb1e8fcc-4e17-48e1-a450-7efe280605ad" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_988a2104-bef6-4f4c-9dc5-51a407aa03ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_9b3f21a2-526b-410c-8f8d-573353ae692d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_988a2104-bef6-4f4c-9dc5-51a407aa03ea" xlink:to="loc_us-gaap_EmployeeSeveranceMember_9b3f21a2-526b-410c-8f8d-573353ae692d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_b8567bde-fa06-413d-b377-c4f46ec295a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b02416b9-be2c-473f-98b1-f55b5c7fbb15" xlink:to="loc_us-gaap_RestructuringCharges_b8567bde-fa06-413d-b377-c4f46ec295a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_f9887bee-88ef-44fe-a089-0f110bd52fd6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_b02416b9-be2c-473f-98b1-f55b5c7fbb15" xlink:to="loc_us-gaap_RestructuringReserve_f9887bee-88ef-44fe-a089-0f110bd52fd6" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/FairValueMeasurementDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#FairValueMeasurementDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/FairValueMeasurementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_afe40797-83fd-4f9b-b4ac-97979418652c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_f5fd35b7-2aa4-4922-82e2-bcb55d5afd78" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_afe40797-83fd-4f9b-b4ac-97979418652c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_9c3d163b-8d29-41bd-850a-3fb5dc43ce3c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_afe40797-83fd-4f9b-b4ac-97979418652c" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_9c3d163b-8d29-41bd-850a-3fb5dc43ce3c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_59a51112-a0d3-4693-b48c-70938aad2c0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_afe40797-83fd-4f9b-b4ac-97979418652c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_59a51112-a0d3-4693-b48c-70938aad2c0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_a100cce6-a951-4e13-a799-4cf0006f112b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_a100cce6-a951-4e13-a799-4cf0006f112b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_a100cce6-a951-4e13-a799-4cf0006f112b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_a100cce6-a951-4e13-a799-4cf0006f112b" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_a100cce6-a951-4e13-a799-4cf0006f112b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_a8cb1443-0424-49d9-b8b0-e06e48bfc25a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_a100cce6-a951-4e13-a799-4cf0006f112b" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_a8cb1443-0424-49d9-b8b0-e06e48bfc25a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_1e284a46-7ebf-4b22-a329-0e3e5b85fd6c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_a8cb1443-0424-49d9-b8b0-e06e48bfc25a" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_1e284a46-7ebf-4b22-a329-0e3e5b85fd6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_06c00f13-85a5-4261-bb7f-145bf44d50ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_ValuationTechniqueAxis_06c00f13-85a5-4261-bb7f-145bf44d50ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_06c00f13-85a5-4261-bb7f-145bf44d50ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationTechniqueAxis_06c00f13-85a5-4261-bb7f-145bf44d50ac" xlink:to="loc_us-gaap_ValuationTechniqueDomain_06c00f13-85a5-4261-bb7f-145bf44d50ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_5f106674-1836-4a8c-94b9-72543d30cf67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis_06c00f13-85a5-4261-bb7f-145bf44d50ac" xlink:to="loc_us-gaap_ValuationTechniqueDomain_5f106674-1836-4a8c-94b9-72543d30cf67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDiscountedCashFlowMember_b6d22980-6f90-4125-b179-741263a365b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationTechniqueDiscountedCashFlowMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain_5f106674-1836-4a8c-94b9-72543d30cf67" xlink:to="loc_us-gaap_ValuationTechniqueDiscountedCashFlowMember_b6d22980-6f90-4125-b179-741263a365b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_d3dee122-0d72-4a4b-911c-fc467a15d345" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_CreditFacilityAxis_d3dee122-0d72-4a4b-911c-fc467a15d345" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_d3dee122-0d72-4a4b-911c-fc467a15d345_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_d3dee122-0d72-4a4b-911c-fc467a15d345" xlink:to="loc_us-gaap_CreditFacilityDomain_d3dee122-0d72-4a4b-911c-fc467a15d345_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_8ed1890e-2d20-4352-9359-28cbe686e299" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_d3dee122-0d72-4a4b-911c-fc467a15d345" xlink:to="loc_us-gaap_CreditFacilityDomain_8ed1890e-2d20-4352-9359-28cbe686e299" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_17e3d264-ae82-4fe4-bd56-df5fcd529abd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_8ed1890e-2d20-4352-9359-28cbe686e299" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_17e3d264-ae82-4fe4-bd56-df5fcd529abd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_6c6ff998-b2d2-498d-9d5e-ecd6de254f16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_DebtInstrumentAxis_6c6ff998-b2d2-498d-9d5e-ecd6de254f16" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6c6ff998-b2d2-498d-9d5e-ecd6de254f16_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_6c6ff998-b2d2-498d-9d5e-ecd6de254f16" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6c6ff998-b2d2-498d-9d5e-ecd6de254f16_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_be33c8c2-910e-4776-878c-b5a76f146063" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_6c6ff998-b2d2-498d-9d5e-ecd6de254f16" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_be33c8c2-910e-4776-878c-b5a76f146063" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_FirstLienTermALoanAndRevolvingLoansMember_c9ec960d-f119-407b-b170-bce66652f323" xlink:href="eye-20250329.xsd#eye_FirstLienTermALoanAndRevolvingLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be33c8c2-910e-4776-878c-b5a76f146063" xlink:to="loc_eye_FirstLienTermALoanAndRevolvingLoansMember_c9ec960d-f119-407b-b170-bce66652f323" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ConvertibleSeniorNotesDueIn2025Member_31af510c-46fb-4698-952b-3cdd8fb4c986" xlink:href="eye-20250329.xsd#eye_ConvertibleSeniorNotesDueIn2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_be33c8c2-910e-4776-878c-b5a76f146063" xlink:to="loc_eye_ConvertibleSeniorNotesDueIn2025Member_31af510c-46fb-4698-952b-3cdd8fb4c986" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_f510ea00-7399-42df-bcf2-8b570413bc2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_f510ea00-7399-42df-bcf2-8b570413bc2c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f510ea00-7399-42df-bcf2-8b570413bc2c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_f510ea00-7399-42df-bcf2-8b570413bc2c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f510ea00-7399-42df-bcf2-8b570413bc2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f7560382-4829-4a80-9522-a62880d051ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_f510ea00-7399-42df-bcf2-8b570413bc2c" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f7560382-4829-4a80-9522-a62880d051ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansPayableMember_382b808b-8d26-4b97-a945-8a88d3c8461d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f7560382-4829-4a80-9522-a62880d051ca" xlink:to="loc_us-gaap_LoansPayableMember_382b808b-8d26-4b97-a945-8a88d3c8461d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_fa1ffe98-1444-4b51-a9a0-7238671a4f45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f7560382-4829-4a80-9522-a62880d051ca" xlink:to="loc_us-gaap_LineOfCreditMember_fa1ffe98-1444-4b51-a9a0-7238671a4f45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_9d884b65-dcd8-4265-88e8-57df2a3c3f50" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f7560382-4829-4a80-9522-a62880d051ca" xlink:to="loc_us-gaap_ConvertibleDebtMember_9d884b65-dcd8-4265-88e8-57df2a3c3f50" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_eeed07aa-198e-4b12-b21a-2eb03f057733" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_bfe1e132-71c6-49f3-826a-96df2bef14f4" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_eeed07aa-198e-4b12-b21a-2eb03f057733" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_eeed07aa-198e-4b12-b21a-2eb03f057733_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_eeed07aa-198e-4b12-b21a-2eb03f057733" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_eeed07aa-198e-4b12-b21a-2eb03f057733_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b6e3d245-8f48-4c7e-8be4-4c8528367e07" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_eeed07aa-198e-4b12-b21a-2eb03f057733" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b6e3d245-8f48-4c7e-8be4-4c8528367e07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_b3286bd5-4265-4448-858c-d334472dc3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b6e3d245-8f48-4c7e-8be4-4c8528367e07" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_b3286bd5-4265-4448-858c-d334472dc3a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_f3070f53-c87f-47b8-8bdf-dc3fc47a067f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_b3286bd5-4265-4448-858c-d334472dc3a3" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_f3070f53-c87f-47b8-8bdf-dc3fc47a067f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_c64b2726-e3fb-485d-ba39-e5a6dd09fb2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_c64b2726-e3fb-485d-ba39-e5a6dd09fb2c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_f49483c4-8f50-484f-b7ef-d5ea9f5e687b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_f49483c4-8f50-484f-b7ef-d5ea9f5e687b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_4284477f-6654-4402-a36e-0a799523a7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_AssetImpairmentCharges_4284477f-6654-4402-a36e-0a799523a7a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ImpairedAssetsMeasurementInput_242e616d-e57a-4834-a9b2-87c04ca162f6" xlink:href="eye-20250329.xsd#eye_ImpairedAssetsMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_eye_ImpairedAssetsMeasurementInput_242e616d-e57a-4834-a9b2-87c04ca162f6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ImpairedLongLivedAssetsHeldAndUsedEstimatedFairValueofAsset_f644a6fe-a443-4ff5-836b-267f32e15345" xlink:href="eye-20250329.xsd#eye_ImpairedLongLivedAssetsHeldAndUsedEstimatedFairValueofAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_eye_ImpairedLongLivedAssetsHeldAndUsedEstimatedFairValueofAsset_f644a6fe-a443-4ff5-836b-267f32e15345" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_ee62256b-3410-4e24-bc43-b5b3e4605e33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_ee62256b-3410-4e24-bc43-b5b3e4605e33" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_c76fc301-609c-412e-b4a3-1eda90bb3018" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_c76fc301-609c-412e-b4a3-1eda90bb3018" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_026935e4-cfdd-473c-9cc7-874e041e9a75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_026935e4-cfdd-473c-9cc7-874e041e9a75" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtFairValueDisclosures_f0eac031-9479-407e-af38-7520e1ae7759" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtFairValueDisclosures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_baf6bc37-ec59-4d29-b82d-39906c708324" xlink:to="loc_us-gaap_ConvertibleDebtFairValueDisclosures_f0eac031-9479-407e-af38-7520e1ae7759" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DebtScheduleofDebtDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DebtScheduleofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DebtScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_94036b6f-a94d-4bed-88c2-202d3e51a077" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_DebtInstrumentTable_94036b6f-a94d-4bed-88c2-202d3e51a077" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_1be770a9-4323-4947-827d-3ced8a9d8d25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_94036b6f-a94d-4bed-88c2-202d3e51a077" xlink:to="loc_us-gaap_DebtInstrumentAxis_1be770a9-4323-4947-827d-3ced8a9d8d25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1be770a9-4323-4947-827d-3ced8a9d8d25_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_1be770a9-4323-4947-827d-3ced8a9d8d25" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1be770a9-4323-4947-827d-3ced8a9d8d25_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7374dd9d-8b74-4c60-b937-76b0de2b7afa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_1be770a9-4323-4947-827d-3ced8a9d8d25" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7374dd9d-8b74-4c60-b937-76b0de2b7afa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ConvertibleSeniorNotesDueIn2025Member_3e28d13b-ed16-4fe2-85e9-fe5c75aa0f9c" xlink:href="eye-20250329.xsd#eye_ConvertibleSeniorNotesDueIn2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7374dd9d-8b74-4c60-b937-76b0de2b7afa" xlink:to="loc_eye_ConvertibleSeniorNotesDueIn2025Member_3e28d13b-ed16-4fe2-85e9-fe5c75aa0f9c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_FirstLienTermALoanDueJune132028Member_b85c576e-a8db-40ef-b7b7-52a310b57826" xlink:href="eye-20250329.xsd#eye_FirstLienTermALoanDueJune132028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7374dd9d-8b74-4c60-b937-76b0de2b7afa" xlink:to="loc_eye_FirstLienTermALoanDueJune132028Member_b85c576e-a8db-40ef-b7b7-52a310b57826" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_cbac5d3d-467c-41fc-a30b-959af21c5dcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_94036b6f-a94d-4bed-88c2-202d3e51a077" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_cbac5d3d-467c-41fc-a30b-959af21c5dcd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_cbac5d3d-467c-41fc-a30b-959af21c5dcd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_cbac5d3d-467c-41fc-a30b-959af21c5dcd" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_cbac5d3d-467c-41fc-a30b-959af21c5dcd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_3c618a2f-7597-444a-b315-5ac649e59147" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_cbac5d3d-467c-41fc-a30b-959af21c5dcd" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_3c618a2f-7597-444a-b315-5ac649e59147" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_336b5e2b-45c8-470c-bed5-071f4449e93e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3c618a2f-7597-444a-b315-5ac649e59147" xlink:to="loc_us-gaap_ConvertibleDebtMember_336b5e2b-45c8-470c-bed5-071f4449e93e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansPayableMember_b6900f3c-7465-4f25-93e2-fd8483e34f25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3c618a2f-7597-444a-b315-5ac649e59147" xlink:to="loc_us-gaap_LoansPayableMember_b6900f3c-7465-4f25-93e2-fd8483e34f25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_65796406-8f1f-4c5e-bde6-48dd363fa817" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3c618a2f-7597-444a-b315-5ac649e59147" xlink:to="loc_us-gaap_LineOfCreditMember_65796406-8f1f-4c5e-bde6-48dd363fa817" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_f945ac3c-9189-44b7-8f57-a9e3cbc88b84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_94036b6f-a94d-4bed-88c2-202d3e51a077" xlink:to="loc_us-gaap_CreditFacilityAxis_f945ac3c-9189-44b7-8f57-a9e3cbc88b84" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_f945ac3c-9189-44b7-8f57-a9e3cbc88b84_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_f945ac3c-9189-44b7-8f57-a9e3cbc88b84" xlink:to="loc_us-gaap_CreditFacilityDomain_f945ac3c-9189-44b7-8f57-a9e3cbc88b84_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_b9a546ac-b151-46f4-9c66-c3f5210b0869" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_f945ac3c-9189-44b7-8f57-a9e3cbc88b84" xlink:to="loc_us-gaap_CreditFacilityDomain_b9a546ac-b151-46f4-9c66-c3f5210b0869" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_a2fa34e5-7eb1-44be-a984-1d7c70d83756" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_b9a546ac-b151-46f4-9c66-c3f5210b0869" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_a2fa34e5-7eb1-44be-a984-1d7c70d83756" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_9f99e6c1-0e10-49dc-b33a-a1496917737b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_9f99e6c1-0e10-49dc-b33a-a1496917737b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_49613056-3d8f-4565-afee-88a63f3a8479" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_49613056-3d8f-4565-afee-88a63f3a8479" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_248a9915-f979-46f6-82bb-aa9aaff9829a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_LongTermDebt_248a9915-f979-46f6-82bb-aa9aaff9829a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_7e006b13-c7c0-4a53-a444-59d3c4e4c154" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_LongTermDebtCurrent_7e006b13-c7c0-4a53-a444-59d3c4e4c154" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_c4f62b81-807e-4781-be2e-c9e251d707f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_c4f62b81-807e-4781-be2e-c9e251d707f7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_06821d4b-072b-4808-9955-7a83a6f76646" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_FinanceLeaseLiability_06821d4b-072b-4808-9955-7a83a6f76646" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_1ecc23e1-9f05-4c70-bdfc-0a6636914f8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_1ecc23e1-9f05-4c70-bdfc-0a6636914f8d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_11828387-611e-4f36-97c7-54bede3e2982" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_216110ed-ee0d-42fe-8499-5f6771398bcf" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_11828387-611e-4f36-97c7-54bede3e2982" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DebtNarrativeDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_43b34d9a-3dad-4996-b6e9-cf123bd0858f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_DebtInstrumentTable_43b34d9a-3dad-4996-b6e9-cf123bd0858f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_313a6434-4b01-43dc-9152-4cd7bbdbd770" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_43b34d9a-3dad-4996-b6e9-cf123bd0858f" xlink:to="loc_us-gaap_DebtInstrumentAxis_313a6434-4b01-43dc-9152-4cd7bbdbd770" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_313a6434-4b01-43dc-9152-4cd7bbdbd770_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_313a6434-4b01-43dc-9152-4cd7bbdbd770" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_313a6434-4b01-43dc-9152-4cd7bbdbd770_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e871f8cd-0280-4081-999e-5a56d4fbfe55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_313a6434-4b01-43dc-9152-4cd7bbdbd770" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e871f8cd-0280-4081-999e-5a56d4fbfe55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ConvertibleSeniorNotesDueIn2025Member_64f3a70f-73b5-4944-8b8e-861847573451" xlink:href="eye-20250329.xsd#eye_ConvertibleSeniorNotesDueIn2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e871f8cd-0280-4081-999e-5a56d4fbfe55" xlink:to="loc_eye_ConvertibleSeniorNotesDueIn2025Member_64f3a70f-73b5-4944-8b8e-861847573451" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_a2aaf6a2-acb2-46dc-ae87-c3554d73006d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_43b34d9a-3dad-4996-b6e9-cf123bd0858f" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_a2aaf6a2-acb2-46dc-ae87-c3554d73006d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a2aaf6a2-acb2-46dc-ae87-c3554d73006d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a2aaf6a2-acb2-46dc-ae87-c3554d73006d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a2aaf6a2-acb2-46dc-ae87-c3554d73006d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1d6c701f-c45f-420f-98a3-b4bd5d500bfe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a2aaf6a2-acb2-46dc-ae87-c3554d73006d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1d6c701f-c45f-420f-98a3-b4bd5d500bfe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_f4d8b5b0-61fc-42e1-874b-c068a12a868e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1d6c701f-c45f-420f-98a3-b4bd5d500bfe" xlink:to="loc_us-gaap_ConvertibleDebtMember_f4d8b5b0-61fc-42e1-874b-c068a12a868e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_ccbdd8ef-3947-456f-bd3d-4f6365328e87" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1d6c701f-c45f-420f-98a3-b4bd5d500bfe" xlink:to="loc_us-gaap_LineOfCreditMember_ccbdd8ef-3947-456f-bd3d-4f6365328e87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_e2af05a4-5eab-4013-8891-f61c66566dd0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_43b34d9a-3dad-4996-b6e9-cf123bd0858f" xlink:to="loc_us-gaap_CreditFacilityAxis_e2af05a4-5eab-4013-8891-f61c66566dd0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_e2af05a4-5eab-4013-8891-f61c66566dd0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_e2af05a4-5eab-4013-8891-f61c66566dd0" xlink:to="loc_us-gaap_CreditFacilityDomain_e2af05a4-5eab-4013-8891-f61c66566dd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_798221e0-de87-4da3-a7bd-877b22735529" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_e2af05a4-5eab-4013-8891-f61c66566dd0" xlink:to="loc_us-gaap_CreditFacilityDomain_798221e0-de87-4da3-a7bd-877b22735529" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_a5678720-267e-4342-a6ad-a0deb70c9ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_798221e0-de87-4da3-a7bd-877b22735529" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_a5678720-267e-4342-a6ad-a0deb70c9ea0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_d3ecb183-50cf-45a4-b02e-bfa0c882d2e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_d3ecb183-50cf-45a4-b02e-bfa0c882d2e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_f03f64d1-50a1-4896-89c6-575e41e17c32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_f03f64d1-50a1-4896-89c6-575e41e17c32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_a22ee74b-7849-4227-9abe-e3e68b8c79a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_a22ee74b-7849-4227-9abe-e3e68b8c79a0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_cf605a34-79d1-452e-95c8-9edbe01a244d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_cf605a34-79d1-452e-95c8-9edbe01a244d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_418eb205-7c7a-430c-a910-d4df78a83dca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_418eb205-7c7a-430c-a910-d4df78a83dca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6bb1870b-1714-4110-a7f2-9d7adf379462" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_587ca8c8-66d5-4f54-99c6-ebd5447f7937" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_6bb1870b-1714-4110-a7f2-9d7adf379462" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#DebtScheduleofInterestExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_da1392e7-bc53-4fe3-825a-03526f46b95a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b3b89bc3-5eb4-47dd-a1ee-f15e25b0a041" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_da1392e7-bc53-4fe3-825a-03526f46b95a" xlink:to="loc_us-gaap_DebtInstrumentTable_b3b89bc3-5eb4-47dd-a1ee-f15e25b0a041" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b3b89bc3-5eb4-47dd-a1ee-f15e25b0a041" xlink:to="loc_us-gaap_DebtInstrumentAxis_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dc5c961c-bbf9-4e11-9a90-4a06e0bc64b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a6f5e3d6-0180-4447-85c3-9c7eb77da1b2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dc5c961c-bbf9-4e11-9a90-4a06e0bc64b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ConvertibleSeniorNotesDueIn2025Member_515e10e9-628d-44b9-94b8-d0bbe8511385" xlink:href="eye-20250329.xsd#eye_ConvertibleSeniorNotesDueIn2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dc5c961c-bbf9-4e11-9a90-4a06e0bc64b4" xlink:to="loc_eye_ConvertibleSeniorNotesDueIn2025Member_515e10e9-628d-44b9-94b8-d0bbe8511385" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_85868ad2-5b01-4d17-9dc0-da6c2ee9721e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b3b89bc3-5eb4-47dd-a1ee-f15e25b0a041" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_85868ad2-5b01-4d17-9dc0-da6c2ee9721e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_85868ad2-5b01-4d17-9dc0-da6c2ee9721e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_85868ad2-5b01-4d17-9dc0-da6c2ee9721e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_85868ad2-5b01-4d17-9dc0-da6c2ee9721e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8d58d374-2093-4311-8f6c-9d3342b2d317" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_85868ad2-5b01-4d17-9dc0-da6c2ee9721e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8d58d374-2093-4311-8f6c-9d3342b2d317" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_afc1c7ea-08d3-4228-9d62-91019cb35eb9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8d58d374-2093-4311-8f6c-9d3342b2d317" xlink:to="loc_us-gaap_ConvertibleDebtMember_afc1c7ea-08d3-4228-9d62-91019cb35eb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization_6f461a4b-5317-423a-bfe6-8cb1481554ff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_da1392e7-bc53-4fe3-825a-03526f46b95a" xlink:to="loc_us-gaap_InterestExpenseDebtExcludingAmortization_6f461a4b-5317-423a-bfe6-8cb1481554ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_cdccfb76-fcd0-4c6a-8912-97d7139395be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_da1392e7-bc53-4fe3-825a-03526f46b95a" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_cdccfb76-fcd0-4c6a-8912-97d7139395be" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/RevenueFromContractswithCustomersNarrativeDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#RevenueFromContractswithCustomersNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/RevenueFromContractswithCustomersNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:to="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_138cb9b9-84fa-4cd7-8de2-211e63b93fe1_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:to="loc_srt_RangeMember_138cb9b9-84fa-4cd7-8de2-211e63b93fe1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:to="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7b976320-d969-4048-b612-dc50f7b2ab4d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:to="loc_srt_MinimumMember_7b976320-d969-4048-b612-dc50f7b2ab4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e86f9cda-8630-4d0c-93f4-ff64fdce429c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:to="loc_srt_MaximumMember_e86f9cda-8630-4d0c-93f4-ff64fdce429c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_13835e0c-a8d3-4a64-a117-f4c063fdcd1d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_13835e0c-a8d3-4a64-a117-f4c063fdcd1d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccounts_2ae404ee-f22b-451b-92e7-bae651cc566d" xlink:href="eye-20250329.xsd#eye_PaymentTermsForHealthCarePlansAndProgramsAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccounts_2ae404ee-f22b-451b-92e7-bae651cc566d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin_57f13d0e-ee2a-41b9-9020-ece5e969c67c" xlink:href="eye-20250329.xsd#eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin_57f13d0e-ee2a-41b9-9020-ece5e969c67c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_3b84b66b-f1c7-4782-9112-02502f3ea894" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_3b84b66b-f1c7-4782-9112-02502f3ea894" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_1e57bddc-51d6-47f4-a50f-4db8c51c6525" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_1e57bddc-51d6-47f4-a50f-4db8c51c6525" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_afc67885-8d19-4d11-951f-a319f6717d20" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiability_afc67885-8d19-4d11-951f-a319f6717d20" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_67edcdfd-ca55-4ab6-b3b0-428b70506f60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_67edcdfd-ca55-4ab6-b3b0-428b70506f60" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7f4339e0-16cb-4f13-8c97-750de83fc47b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7f4339e0-16cb-4f13-8c97-750de83fc47b" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/RevenueFromContractswithCustomersNarrativeDetails_1" xlink:type="simple" xlink:href="eye-20250329.xsd#RevenueFromContractswithCustomersNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/RevenueFromContractswithCustomersNarrativeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_b37acc26-1ab9-4841-a89e-7a58e178e466" xlink:to="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_138cb9b9-84fa-4cd7-8de2-211e63b93fe1_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:to="loc_srt_RangeMember_138cb9b9-84fa-4cd7-8de2-211e63b93fe1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_138cb9b9-84fa-4cd7-8de2-211e63b93fe1" xlink:to="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7b976320-d969-4048-b612-dc50f7b2ab4d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:to="loc_srt_MinimumMember_7b976320-d969-4048-b612-dc50f7b2ab4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e86f9cda-8630-4d0c-93f4-ff64fdce429c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_96f8852e-b647-4e0e-a90b-057aef8b88ab" xlink:to="loc_srt_MaximumMember_e86f9cda-8630-4d0c-93f4-ff64fdce429c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccounts_2ae404ee-f22b-451b-92e7-bae651cc566d" xlink:href="eye-20250329.xsd#eye_PaymentTermsForHealthCarePlansAndProgramsAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccounts_2ae404ee-f22b-451b-92e7-bae651cc566d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin_57f13d0e-ee2a-41b9-9020-ece5e969c67c" xlink:href="eye-20250329.xsd#eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_eye_PaymentTermsForHealthCarePlansAndProgramsAccountsMajorityOfPaymentsReceivedWithin_57f13d0e-ee2a-41b9-9020-ece5e969c67c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_3b84b66b-f1c7-4782-9112-02502f3ea894" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice_3b84b66b-f1c7-4782-9112-02502f3ea894" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_1e57bddc-51d6-47f4-a50f-4db8c51c6525" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_1e57bddc-51d6-47f4-a50f-4db8c51c6525" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_afc67885-8d19-4d11-951f-a319f6717d20" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_ContractWithCustomerLiability_afc67885-8d19-4d11-951f-a319f6717d20" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_67edcdfd-ca55-4ab6-b3b0-428b70506f60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_67edcdfd-ca55-4ab6-b3b0-428b70506f60" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7f4339e0-16cb-4f13-8c97-750de83fc47b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_552d47a7-ef5a-4363-a0db-148111b7fdb6" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7f4339e0-16cb-4f13-8c97-750de83fc47b" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/RevenueFromContractswithCustomersScheduleofDisaggregationofRevenuesDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#RevenueFromContractswithCustomersScheduleofDisaggregationofRevenuesDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/RevenueFromContractswithCustomersScheduleofDisaggregationofRevenuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_a4a594bd-37df-4c24-99d0-72ef68c65518" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_fa8bc2db-6733-4971-9724-5a8c5acc4d30" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a4a594bd-37df-4c24-99d0-72ef68c65518" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_fa8bc2db-6733-4971-9724-5a8c5acc4d30" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_67863fd2-aba6-4bb7-93ea-f734f02ac4bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_fa8bc2db-6733-4971-9724-5a8c5acc4d30" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_67863fd2-aba6-4bb7-93ea-f734f02ac4bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_67863fd2-aba6-4bb7-93ea-f734f02ac4bb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_67863fd2-aba6-4bb7-93ea-f734f02ac4bb" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_67863fd2-aba6-4bb7-93ea-f734f02ac4bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_e1715170-6056-4d7a-8637-36e880fe56cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_67863fd2-aba6-4bb7-93ea-f734f02ac4bb" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_e1715170-6056-4d7a-8637-36e880fe56cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_fab5c9e2-cafe-47ac-bfeb-5579ea4e7949" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_e1715170-6056-4d7a-8637-36e880fe56cc" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_fab5c9e2-cafe-47ac-bfeb-5579ea4e7949" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredOverTimeMember_ff653ad5-9b77-4228-a247-eb344fcc3325" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransferredOverTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_e1715170-6056-4d7a-8637-36e880fe56cc" xlink:to="loc_us-gaap_TransferredOverTimeMember_ff653ad5-9b77-4228-a247-eb344fcc3325" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d6c4b0d1-7296-4f9c-bdb5-a5c8fe764756" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a4a594bd-37df-4c24-99d0-72ef68c65518" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d6c4b0d1-7296-4f9c-bdb5-a5c8fe764756" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_f97368ae-2c8c-44c3-9f59-b80cabd63b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_42ea33ae-9ecb-479e-916e-f5f7b58a4330" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_f97368ae-2c8c-44c3-9f59-b80cabd63b6e" xlink:to="loc_us-gaap_LossContingenciesTable_42ea33ae-9ecb-479e-916e-f5f7b58a4330" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_42ea33ae-9ecb-479e-916e-f5f7b58a4330" xlink:to="loc_srt_LitigationCaseAxis_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57" xlink:to="loc_srt_LitigationCaseTypeDomain_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_c5372c85-c5cf-445a-a426-eea3d02dec3f" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_3f3daa9b-98f9-4ad3-8d12-8d009a6faf57" xlink:to="loc_srt_LitigationCaseTypeDomain_c5372c85-c5cf-445a-a426-eea3d02dec3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_FederalDistrictCourtForTheNorthernDistrictOfCaliforniaMember_49e233a4-92a2-43a9-ba3b-57805079f93a" xlink:href="eye-20250329.xsd#eye_FederalDistrictCourtForTheNorthernDistrictOfCaliforniaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c5372c85-c5cf-445a-a426-eea3d02dec3f" xlink:to="loc_eye_FederalDistrictCourtForTheNorthernDistrictOfCaliforniaMember_49e233a4-92a2-43a9-ba3b-57805079f93a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_FederalDistrictCourtForTheSouthernDistrictOfCaliforniaMember_426491b3-8164-413b-b0d2-fc3227e6b824" xlink:href="eye-20250329.xsd#eye_FederalDistrictCourtForTheSouthernDistrictOfCaliforniaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c5372c85-c5cf-445a-a426-eea3d02dec3f" xlink:to="loc_eye_FederalDistrictCourtForTheSouthernDistrictOfCaliforniaMember_426491b3-8164-413b-b0d2-fc3227e6b824" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_NorthernDistrictOfGeorgiaFederalCourtMember_b4d29829-b05a-4d3d-85bd-846749ac1de9" xlink:href="eye-20250329.xsd#eye_NorthernDistrictOfGeorgiaFederalCourtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c5372c85-c5cf-445a-a426-eea3d02dec3f" xlink:to="loc_eye_NorthernDistrictOfGeorgiaFederalCourtMember_b4d29829-b05a-4d3d-85bd-846749ac1de9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_18186168-c146-46d7-958c-5486b6949e22" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_42ea33ae-9ecb-479e-916e-f5f7b58a4330" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_18186168-c146-46d7-958c-5486b6949e22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_18186168-c146-46d7-958c-5486b6949e22_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_18186168-c146-46d7-958c-5486b6949e22" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_18186168-c146-46d7-958c-5486b6949e22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_b87cec67-c964-4d1f-87a2-2312456d048b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_18186168-c146-46d7-958c-5486b6949e22" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_b87cec67-c964-4d1f-87a2-2312456d048b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_08c96f6d-17b2-4818-9df8-f3a682bb16d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_b87cec67-c964-4d1f-87a2-2312456d048b" xlink:to="loc_us-gaap_SubsequentEventMember_08c96f6d-17b2-4818-9df8-f3a682bb16d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_fdb210e2-8d0d-474f-8da7-4be4c9de8efc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f97368ae-2c8c-44c3-9f59-b80cabd63b6e" xlink:to="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty_fdb210e2-8d0d-474f-8da7-4be4c9de8efc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_NumberOfCompanyOfficersFiledAComplaint_bbdd1f7f-f73d-4f3f-ab12-e4b049d5a638" xlink:href="eye-20250329.xsd#eye_NumberOfCompanyOfficersFiledAComplaint"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_f97368ae-2c8c-44c3-9f59-b80cabd63b6e" xlink:to="loc_eye_NumberOfCompanyOfficersFiledAComplaint_bbdd1f7f-f73d-4f3f-ab12-e4b049d5a638" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/SegmentReportingScheduleofFinancialDatabySegmentDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#SegmentReportingScheduleofFinancialDatabySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/SegmentReportingScheduleofFinancialDatabySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e5c86167-207c-4a8e-8f94-dccf0255f75f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e5c86167-207c-4a8e-8f94-dccf0255f75f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e5c86167-207c-4a8e-8f94-dccf0255f75f" xlink:to="loc_srt_ProductOrServiceAxis_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c" xlink:to="loc_srt_ProductsAndServicesDomain_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_afb56ebf-15be-4c61-bda8-5781ab5a4768" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_e78aab0f-3cd6-4900-a1d1-0cdb1cbc005c" xlink:to="loc_srt_ProductsAndServicesDomain_afb56ebf-15be-4c61-bda8-5781ab5a4768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ProductSalesMember_939aaf36-99ed-47ac-bd9b-78e5d7c048f4" xlink:href="eye-20250329.xsd#eye_ProductSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_afb56ebf-15be-4c61-bda8-5781ab5a4768" xlink:to="loc_eye_ProductSalesMember_939aaf36-99ed-47ac-bd9b-78e5d7c048f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ServicesAndPlansMember_900e679e-c2b9-487b-be01-7e310a6952f6" xlink:href="eye-20250329.xsd#eye_ServicesAndPlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_afb56ebf-15be-4c61-bda8-5781ab5a4768" xlink:to="loc_eye_ServicesAndPlansMember_900e679e-c2b9-487b-be01-7e310a6952f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_cba7d5a4-f55d-4400-959d-904ca5984f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e5c86167-207c-4a8e-8f94-dccf0255f75f" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_cba7d5a4-f55d-4400-959d-904ca5984f8a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_cba7d5a4-f55d-4400-959d-904ca5984f8a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_cba7d5a4-f55d-4400-959d-904ca5984f8a" xlink:to="loc_us-gaap_SegmentDomain_cba7d5a4-f55d-4400-959d-904ca5984f8a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c11065aa-8ecd-4a8e-92fc-c7efd7ec2ea6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_cba7d5a4-f55d-4400-959d-904ca5984f8a" xlink:to="loc_us-gaap_SegmentDomain_c11065aa-8ecd-4a8e-92fc-c7efd7ec2ea6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_OwnedAndHostStoreBrandsMember_7491f571-7165-4ab7-9069-c4e456fb9a2f" xlink:href="eye-20250329.xsd#eye_OwnedAndHostStoreBrandsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_c11065aa-8ecd-4a8e-92fc-c7efd7ec2ea6" xlink:to="loc_eye_OwnedAndHostStoreBrandsMember_7491f571-7165-4ab7-9069-c4e456fb9a2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_99b335ed-24d2-4bef-8120-90604ebfa24f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_c11065aa-8ecd-4a8e-92fc-c7efd7ec2ea6" xlink:to="loc_us-gaap_AllOtherSegmentsMember_99b335ed-24d2-4bef-8120-90604ebfa24f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_e5c86167-207c-4a8e-8f94-dccf0255f75f" xlink:to="loc_srt_ConsolidationItemsAxis_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9" xlink:to="loc_srt_ConsolidationItemsDomain_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_0ab83952-65a6-40d9-9890-550e43684877" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_c2cb59d3-9fec-4a33-bf1d-16b4f074a9e9" xlink:to="loc_srt_ConsolidationItemsDomain_0ab83952-65a6-40d9-9890-550e43684877" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_dfb621e6-4c56-4965-88e7-4b9a2362208f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_0ab83952-65a6-40d9-9890-550e43684877" xlink:to="loc_us-gaap_OperatingSegmentsMember_dfb621e6-4c56-4965-88e7-4b9a2362208f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_dee81d4a-6515-4947-adde-898d6e936fa7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_0ab83952-65a6-40d9-9890-550e43684877" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_dee81d4a-6515-4947-adde-898d6e936fa7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_90170477-c119-43c0-89d6-ef66da58475d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_0ab83952-65a6-40d9-9890-550e43684877" xlink:to="loc_us-gaap_CorporateNonSegmentMember_90170477-c119-43c0-89d6-ef66da58475d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_805c9ba8-0962-4d62-925c-2b5e6110e5c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_805c9ba8-0962-4d62-925c-2b5e6110e5c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_7f4ec3b6-417a-4200-a00b-d98c085fdb2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_7f4ec3b6-417a-4200-a00b-d98c085fdb2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_e88a05ff-e70c-4ff5-a835-6d89772a6bf1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_e88a05ff-e70c-4ff5-a835-6d89772a6bf1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_EarningsBeforeInterestTaxesDepreciationAndAmortization_62cdd386-15b6-4564-b15e-9229b2ff18df" xlink:href="eye-20250329.xsd#eye_EarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_eye_EarningsBeforeInterestTaxesDepreciationAndAmortization_62cdd386-15b6-4564-b15e-9229b2ff18df" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_UnallocatedCorporateAndOtherCosts_52d180e6-979d-44b6-8ba4-a6251bf98601" xlink:href="eye-20250329.xsd#eye_UnallocatedCorporateAndOtherCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_eye_UnallocatedCorporateAndOtherCosts_52d180e6-979d-44b6-8ba4-a6251bf98601" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_ContractWithCustomerLiabilityUnearnedAndDeferredRevenue_7c3ab65e-5395-4d3a-a54f-0ad60a85c0e3" xlink:href="eye-20250329.xsd#eye_ContractWithCustomerLiabilityUnearnedAndDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_eye_ContractWithCustomerLiabilityUnearnedAndDeferredRevenue_7c3ab65e-5395-4d3a-a54f-0ad60a85c0e3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_f30b53c2-b395-4018-b144-b36c83ba93d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_DepreciationAndAmortization_f30b53c2-b395-4018-b144-b36c83ba93d5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_3374fbb5-e828-45e1-a874-6c669ad360a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_3374fbb5-e828-45e1-a874-6c669ad360a9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01742cc1-5e6d-4eb4-a329-f00973c0cbeb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_01742cc1-5e6d-4eb4-a329-f00973c0cbeb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_EffectsOfUnearnedAndDeferredRevenue_2e7659dc-69a0-454a-9121-1f13930b7be2" xlink:href="eye-20250329.xsd#eye_EffectsOfUnearnedAndDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_e38fe561-fe99-4c92-8401-0d891cfabc95" xlink:to="loc_eye_EffectsOfUnearnedAndDeferredRevenue_2e7659dc-69a0-454a-9121-1f13930b7be2" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.nationalvision.com/role/EarningsLossPerShareDetails" xlink:type="simple" xlink:href="eye-20250329.xsd#EarningsLossPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.nationalvision.com/role/EarningsLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_cb3067e3-9a96-43a6-a698-6ed63ea914ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c2ac7c41-363c-43e0-a0ac-45240e73427c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_cb3067e3-9a96-43a6-a698-6ed63ea914ba" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c2ac7c41-363c-43e0-a0ac-45240e73427c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_4929f50a-7eaa-4272-8315-dd75ce67e12a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c2ac7c41-363c-43e0-a0ac-45240e73427c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_4929f50a-7eaa-4272-8315-dd75ce67e12a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_4929f50a-7eaa-4272-8315-dd75ce67e12a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_4929f50a-7eaa-4272-8315-dd75ce67e12a" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_4929f50a-7eaa-4272-8315-dd75ce67e12a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_48d8bf00-3493-4d4c-a58d-f736a6db172a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_4929f50a-7eaa-4272-8315-dd75ce67e12a" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_48d8bf00-3493-4d4c-a58d-f736a6db172a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_eye_StockOptionsRestrictedStockUnitsRSUsAndConvertibleNotesMember_69903ccc-ed9d-4c6e-9590-4cbcb186ee2c" xlink:href="eye-20250329.xsd#eye_StockOptionsRestrictedStockUnitsRSUsAndConvertibleNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_48d8bf00-3493-4d4c-a58d-f736a6db172a" xlink:to="loc_eye_StockOptionsRestrictedStockUnitsRSUsAndConvertibleNotesMember_69903ccc-ed9d-4c6e-9590-4cbcb186ee2c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1e4eaed4-432a-4a55-afa5-dd77da609285" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_cb3067e3-9a96-43a6-a698-6ed63ea914ba" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1e4eaed4-432a-4a55-afa5-dd77da609285" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
