<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="eye-20210602.xsd" xlink:type="simple"/>
    <context id="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001710155</identifier>
        </entity>
        <period>
            <startDate>2021-06-02</startDate>
            <endDate>2021-06-02</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV80L2ZyYWc6NjIwMDgyNTBhMWM1NGNlNmFlNDU4MWNhM2ZiNzUxYTIvdGFibGU6ODk2MTFjMTQ1N2JhNDY2MWI2Yjk4ODE1YzQ2Y2QxNmEvdGFibGVyYW5nZTo4OTYxMWMxNDU3YmE0NjYxYjZiOTg4MTVjNDZjZDE2YV8yLTEtMS0xLTA_ab4fb913-2d63-4b7b-8d35-14a85aaee0f0">0001710155</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV80L2ZyYWc6NjIwMDgyNTBhMWM1NGNlNmFlNDU4MWNhM2ZiNzUxYTIvdGFibGU6ODk2MTFjMTQ1N2JhNDY2MWI2Yjk4ODE1YzQ2Y2QxNmEvdGFibGVyYW5nZTo4OTYxMWMxNDU3YmE0NjYxYjZiOTg4MTVjNDZjZDE2YV8zLTEtMS0xLTA_551c5b30-d3dc-4500-b21c-25285c02c317">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM2_cad60d97-6d47-4d27-9610-b57889db41ab">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8zNzM_0fa9fbe7-9046-4b69-adb4-5825d2a2f99a">2021-06-02</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM3_d76483e7-3587-4bb3-afca-55e905cbf835">National Vision Holdings, Inc.</dei:EntityRegistrantName>
    <dei:EntityFileNumber
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTMx_e4a92ffd-63b9-4fc3-95d1-cadf74c2923d">001-38257</dei:EntityFileNumber>
    <dei:EntityIncorporationStateCountryCode
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF8wLTAtMS0xLTA_04e9ee3a-b090-4d2b-be62-9666c8ccfd51">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF8wLTQtMS0xLTA_52a81b0e-2a05-4937-a7ac-63e6b1a6e872">46-4841717</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF8zLTAtMS0xLTA_fefd6ae0-4351-44f3-a6b8-2d11ad22cc13">2435 Commerce Ave.</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF80LTAtMS0xLTA_3196bc66-eb59-49be-ba77-f5eeca9e39ff">Building 2200</dei:EntityAddressAddressLine2>
    <dei:EntityAddressPostalZipCode
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF80LTQtMS0xLTA_be72daf9-b314-4284-bb87-c3bb96df9566">30096</dei:EntityAddressPostalZipCode>
    <dei:EntityAddressCityOrTown
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF81LTAtMS0xLTA_c1384086-564e-40e0-8ca8-7ec2dfc70243">Duluth,</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6MGMzZDVkN2YwMjJlNDgyYjk0N2E2YmFmNTZhZmMxMTAvdGFibGVyYW5nZTowYzNkNWQ3ZjAyMmU0ODJiOTQ3YTZiYWY1NmFmYzExMF81LTItMS0xLTA_f45265a0-a0fa-4513-8ddd-ecf9fb704ae7">GA</dei:EntityAddressStateOrProvince>
    <dei:CityAreaCode
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTMy_7c3160d7-b9c8-4464-b038-d6b2bf75fa1d">770</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM4_10b234d0-5ec7-4f9e-9700-e86bde9ddde9">822&#x2011;3600</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTMz_d0133fec-1216-4674-957f-3801428c2e83">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM5_a12ddd95-99e3-498b-9273-5461c228fb55">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM0_5d549dda-de4b-4453-9c4f-48de3dc6a99d">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTM1_6e798f95-4466-46ce-a991-8ec822ad10d7">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6Mjc3NTI0YWEzYmY3NDhkOWI2YmIzNjEyZTAyZTJkNzYvdGFibGVyYW5nZToyNzc1MjRhYTNiZjc0OGQ5YjZiYjM2MTJlMDJlMmQ3Nl8xLTAtMS0xLTA_a293af39-e967-4b68-8179-13118ee4162a">Common stock, par value $0.01 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6Mjc3NTI0YWEzYmY3NDhkOWI2YmIzNjEyZTAyZTJkNzYvdGFibGVyYW5nZToyNzc1MjRhYTNiZjc0OGQ5YjZiYjM2MTJlMDJlMmQ3Nl8xLTItMS0xLTA_b8411711-1d3d-4d8c-8858-6276f7f02834">EYE</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGFibGU6Mjc3NTI0YWEzYmY3NDhkOWI2YmIzNjEyZTAyZTJkNzYvdGFibGVyYW5nZToyNzc1MjRhYTNiZjc0OGQ5YjZiYjM2MTJlMDJlMmQ3Nl8xLTQtMS0xLTA_a12cc622-b38e-49aa-9667-45a53e3ddc46">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="i06788641a39d44bf9c6870f5b9db6df0_D20210602-20210602"
      id="id3VybDovL2RvY3MudjEvZG9jOmJkZWFjNWEwMjgwMDQ3ZTU5MjZkZTZkYWJhMTVmZmZlL3NlYzpiZGVhYzVhMDI4MDA0N2U1OTI2ZGU2ZGFiYTE1ZmZmZV8xL2ZyYWc6NTAyM2ZlMjJkY2Q2NGEyYzg2ZGZmMmUwOTc5MjI0Y2UvdGV4dHJlZ2lvbjo1MDIzZmUyMmRjZDY0YTJjODZkZmYyZTA5NzkyMjRjZV8xOTQw_fa6c400b-ef4b-4c40-bc8d-59b1bd393a28">false</dei:EntityEmergingGrowthCompany>
</xbrl>
