An ophthalmic, manually-operated, measuring instrument designed for determining the intraocular pressure (IOP) by exerting an external force in direct contact with the eye which provides a reading of the resistance of the tunica of the eye to deformation (the
| Company | Devices | Share |
|---|---|---|
| Haag-Streit Ag | 10 | 18% |
| Ocular Instruments, Inc. | 9 | 16% |
| Ambler Surgical Corp. | 7 | 12% |
| Bausch & Lomb Incorporated | 5 | 9% |
| Shanghai Mediworks Precision Instruments Co.,Ltd. | 4 | 7% |
| Keeler Limited | 4 | 7% |
| Chongqing Sunkingdom Medical Instrument Co.,Ltd | 3 | 5% |
| Zien Medical Technologies, Llc | 3 | 5% |
| U.S. Ophthalmic, L.L.C. | 3 | 5% |
| Katena Products, Inc. | 2 | 4% |
| Costruzioni Strumenti Oftalmici C.S.O. Srl | 2 | 4% |
| Takagi Seiko Co.,Ltd. | 1 | 2% |
Company = labeler of record on GUDID. 16 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 |
|---|---|---|
| HKY | Tonometer, Manual | 47 |
| HKY | Tonometer, manual | 8 |
| HKX | Tonometer, Ac-Powered | 3 |
| HTY | PIN, FIXATION, SMOOTH | 1 |
| HKY | TONOMETER, MANUAL | 1 |
Use these as the dimensions to specify in a tender line.
57 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Ophthalmic tonometer, manual", from 16 companies. The largest labeler is Haag-Streit Ag with 18% of records.
HKY (Tonometer, Manual), HKY (Tonometer, manual), HKX (Tonometer, Ac-Powered), HTY (PIN, FIXATION, SMOOTH)
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.