FDA product code · Ophthalmic
Digital Visual Acuity Test
FDA lists QTO as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 886.9 applies, such as a new intended use or a different fundamental technology. 1 FDA decision since 2022. 510(k) reviews decided 2021–2025 took a median of 213 days (half between 213 and 213). No recall names this code.
A Digital visual acuity testing system is intended as an aid in the assessment of visual acuity in patients.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of QTO at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.
FDA decisions per year · QTO
1in 2022
2026 to Oct 25, outlined.
Median 510(k) review, days · QTO
Too few QTO 510(k)s in any year since 2007 to give a median.
Recalls per year · QTO
No recall names QTO since 2007.
Adverse event reports per year · QTO
No MAUDE report names QTO since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 1 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
Planning a device in QTO? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.
See the 510(k) ReportRelated product codes
Other codes under 21 CFR 886.1150.