An ophthalmic device used to record the changes in electric potential on or near the surface of the cornea to a reference distal point on the body, following stimulation of the retina by light, i.e., flashes of white light. The electroretinograph (ERG) recorde
| Company | Devices | Share |
|---|---|---|
| Diagnosys Llc | 136 | 89% |
| Roland Consult Stasche & Finger Gmbh | 9 | 6% |
| Lkc Technologies, Inc. | 5 | 3% |
| Metrovision | 2 | 1% |
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 |
|---|---|---|
| GWE | Stimulator, Photic, Evoked Response | 186 |
| HLG | Pupillometer, Ac-Powered | 7 |
| GXY | Electrode, Cutaneous | 3 |
| HLT | Preamplifier, Ac-Powered, Ophthalmic | 2 |
| OUM | Adaptometer (Biophotometer), Software-Based Data Acquisition | 2 |
| HOX | Chart, Visual Acuity | 1 |
Use these as the dimensions to specify in a tender line.
No closely related category with 50+ devices.
152 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Electroretinograph", from 4 companies. The largest labeler is Diagnosys Llc with 89% of records.
GWE (Stimulator, Photic, Evoked Response), HLG (Pupillometer, Ac-Powered), GXY (Electrode, Cutaneous), HLT (Preamplifier, Ac-Powered, 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.