| Cover Page | Mar. 03, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Mar. 3, 2021 |
| Entity Registrant Name | National Vision Holdings, Inc. |
| Entity Central Index Key | 0001710155 |
| Amendment Flag | false |
| Entity File Number | 001-38257 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 46-4841717 |
| Entity Address, Address Line One | 2435 Commerce Ave. |
| Entity Address, Address Line Two | Building 2200 |
| Entity Address, City or Town | Duluth |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30096 |
| City Area Code | 770 |
| Local Phone Number | 822‑3600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | EYE |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
