A transparent geometrical device intended to use light refraction principles to assist in the diagnosis of visual problems, especially those associated with ocular muscles (e.g., reduced convergence or accommodation). It is available in various forms such as a
| Company | Devices | Share |
|---|---|---|
| Optego Vision Usa Inc. | 48 | 84% |
| Karl Storz Gmbh & Co. Kg | 4 | 7% |
| Luneau Technology Operations | 4 | 7% |
| Reichert, Inc. | 1 | 2% |
Company = labeler of record on GUDID. 4 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 |
|---|---|---|
| HKW | Prism, Bar, Ophthalmic | 52 |
| EOQ | BRONCHOSCOPE (FLEXIBLE OR RIGID) | 4 |
| HKN | Refractor, Manual, Non-Powered, Including Phoropter | 1 |
Use these as the dimensions to specify in a tender line.
No closely related category with 50+ devices.
57 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Diagnostic ophthalmic prism", from 4 companies. The largest labeler is Optego Vision Usa Inc. with 84% of records.
HKW (Prism, Bar, Ophthalmic), EOQ (BRONCHOSCOPE (FLEXIBLE OR RIGID)), HKN (Refractor, Manual, Non-Powered, Including Phoropter)
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.