An ophthalmic chart or card printed with various symbols (e.g., letters, pictures or dots) intended to be used for testing visual acuity (e.g., Snellen chart) or testing and/or training accommodation and/or convergence or other amenable ophthalmic functions. T
| Company | Devices | Share |
|---|---|---|
| Oculus Optikgeräte Gesellschaft Mit Beschränkter Haftung | 12 | 20% |
| Ama Optics, Inc. | 11 | 19% |
| Reichert, Inc. | 5 | 8% |
| Haag-Streit Uk Limited | 4 | 7% |
| Huvitz Co., Ltd. | 4 | 7% |
| Nidek Co.,Ltd. | 3 | 5% |
| Optego Vision Usa Inc. | 3 | 5% |
| Bernell | 3 | 5% |
| Chongqing Sunkingdom Medical Instrument Co.,Ltd | 2 | 3% |
| Ningbo Ming Sing Optical R & D Co., Ltd. | 2 | 3% |
| Gobiquity, Inc. | 2 | 3% |
| View-M Technology Co., Ltd. | 2 | 3% |
Company = labeler of record on GUDID. 18 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| HOX | Chart, Visual Acuity | 61 |
| MMF | Photorefractor | 8 |
| HKO | Refractometer, Ophthalmic | 8 |
| HLC | Instrument, Measuring, Stereopsis | 3 |
| HJN | Transilluminator, Battery-Powered | 3 |
| HKN | Refractor, Manual, Non-Powered, Including Phoropter | 2 |
Use these as the dimensions to specify in a tender line.
59 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Vision testing/training chart", from 18 companies. The largest labeler is Oculus Optikgeräte Gesellschaft Mit Beschränkter Haftung with 20% of records.
HOX (Chart, Visual Acuity), MMF (Photorefractor), HKO (Refractometer, Ophthalmic), HLC (Instrument, Measuring, Stereopsis)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
Add vision testing/training chart to the RFQ basket or use the form below with quantity, specification and delivery location; the Network returns comparable quotes from verified suppliers in 2–5 working days.
Hospitals, pharmacies and distributors anywhere: tell us what you need and the Consulting Wallah Network returns comparable quotes from verified suppliers. No fee for buyers.
Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.