An electrically-powered, ophthalmic device designed to be used by a healthcare professional to objectively measure the refractive error of the eye (the inaccuracies of focusing light upon the retina) by measuring how light is changed when it enters the patient
| Company | Devices | Share |
|---|---|---|
| Topcon Corporation | 14 | 12% |
| Right Mfg. Co., Ltd. | 13 | 11% |
| Nidek Co.,Ltd. | 11 | 10% |
| Luneau Technology Operations | 8 | 7% |
| Alcon Laboratories, Inc. | 8 | 7% |
| Ningbo Ming Sing Optical R & D Co., Ltd. | 7 | 6% |
| Johnson & Johnson Surgical Vision, Inc. | 6 | 5% |
| Tomey Corporation. | 6 | 5% |
| Shenzhen Certainn Technology Co., Ltd. | 5 | 4% |
| Rexxam Co., Ltd. | 5 | 4% |
| Carl Zeiss Vision Gmbh | 4 | 4% |
| Huvitz Co., Ltd. | 4 | 4% |
Company = labeler of record on GUDID. 25 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 |
|---|---|---|
| HKO | Refractometer, Ophthalmic | 116 |
| NCF | Aberrometer, ophthalmic | 10 |
| LZS | Excimer laser system | 7 |
| HKO | Refractometer, ophthalmic | 7 |
| HKX | Tonometer, Ac-Powered | 6 |
| HKN | Refractor, Manual, Non-Powered, Including Phoropter | 4 |
Use these as the dimensions to specify in a tender line.
No closely related category with 50+ devices.
114 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Automated ophthalmic refractometer", from 25 companies. The largest labeler is Topcon Corporation with 12% of records.
HKO (Refractometer, Ophthalmic), NCF (Aberrometer, ophthalmic), LZS (Excimer laser system), HKO (Refractometer, ophthalmic)
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.
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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.