Data / Medical devices / Refractor, Manual, Non-Powered, Including Phoropter
Refractor, Manual, Non-Powered, Including Phoropter (HKN): 48 FDA-registered makers in 14 countries
48 establishments in 14 countries are registered with the FDA to make Refractor, Manual, Non-Powered, Including Phoropter (product code HKN, Class 1, 21 CFR 886.1770). 0 of them have a 510(k) clearance or PMA approval on file and 2 have a recall event. The FDA has issued 3 510(k) clearances under this code, the latest on September 28, 1994, and lists 6 recall events (0 Class I). FDA data exported November 2, 2026.
SpecStream is the live web data engine for teams and agents. It reads the FDA registration and listing, 510(k), PMA, recall and enforcement files from openFDA every week, and this page is that reading, joined by the FDA's own numbers. Ask for the makers of any device type in any country and new clearances, approvals and recalls arrive in your sheet, CRM, Slack or agent as the FDA publishes them.
- Product code
- HKN
- Device class
- 1
- Regulation
- 886.1770
- Medical specialty
- Ophthalmic
Makers by country
| Country | Makers |
|---|---|
| China | 13 |
| United States | 9 |
| Japan | 8 |
| South Korea | 5 |
| France | 3 |
| India | 2 |
| Italy | 1 |
| Mexico | 1 |
| Brazil | 1 |
| Canada | 1 |
| Switzerland | 1 |
| United Kingdom | 1 |
| Finland | 1 |
| Israel | 1 |
Makers of Refractor, Manual, Non-Powered, Including Phoropter
Registered establishments that manufacture, contract manufacture, remanufacture, reprocess or own the specification of this device, with the 510(k) clearances, PMA approvals and recalls the FDA files under each. Best documented first.
| Maker | Location | Role | 510(k) clearances | Latest clearance | PMA approvals | Recall events | Class I | Source |
|---|---|---|---|---|---|---|---|---|
| Adaptica SRL | Padova, Italy | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| AMETEK Lamb Motores de Mexico, S. de R.L. de C.V. | Reynosa Tamaulipas, Mexico | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Appasamy Associates Private Limited ( Ambattur) | Chennai Tamil Nadu, India | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Apramed Industria E Comercio De Aparelhos Medicos Ltda | SAO CARLOS Sao Paulo, Brazil | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Apramed USA LLC | Kissimmee, FL, United States | Manufacturer, Repackager or relabeler | 0 | 0 | 0 | 0 | api.fda.gov | |
| Blue.s4 | Belleville Ontario, Canada | Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Chongqing Yeasn Science-Technology Co.,ltd. | Chongqing, China | Contract manufacturer, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Danyang New Hope Medical Equipment Co., Ltd | Danyang Jiangsu, China | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| ESSILOR International Usine de la Compasserie | Ligny en Barrois Meuse, France | Foreign private label distributor, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Everview Corp | Geumcheon-gu Seoul, South Korea | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Eyeque Corporation | Newark, CA, United States | Manufacturer, Remanufacturer, Repackager or relabeler, Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Forus Health PVT.LTD. | Bengaluru Karnataka, India | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Gino Optical (shanghai) Co., Ltd. | Shanghai, China | Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Haag-Streit AG | KOENIZ Bern, Switzerland | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Huvitz Co., Ltd. | Anyang-si Gyeonggi, South Korea | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Inami & Co., Ltd. | Bunkyo Tokyo, Japan | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Keeler Ltd. | WINDSOR, BERKSHIRE Windsor and Maidenhead, United Kingdom | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Langfang Far East Prosperous Optical Instrument Co.,ltd. | Langfang Hebei, China | Contract manufacturer, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Lianyungang Tiannuo Optical Instrument Co., Ltd. | LIANYUNGANG Jiangsu, China | Contract manufacturer, Repackager or relabeler | 0 | 0 | 0 | 0 | api.fda.gov | |
| Lombart Instrument, Inc D/B/A Advancing Eyecare | Jacksonville, FL, United States | Complaint file establishment, Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Luneau Technology Operations | Pont-de-l'Arche Eure, France | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Nidek Co., Ltd. | Gamagori, Aichi, Japan | Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Nidek Co., Ltd. Hamacho Plant | Gamagori, Aichi, Japan | Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Nidek Incorporated | The Colony, TX, United States | Manufacturer | 0 | 0 | 3 | 0 | api.fda.gov | |
| Ningbo Flo Optical Technology Development Co., Ltd. | Ningbo Zhejiang, China | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Ningbo Ming Sing Optical R&D Co., Ltd. | Ningbo Zhejiang, China | Exporter to the US, Manufacturer, Repackager or relabeler | 0 | 0 | 0 | 0 | api.fda.gov | |
| Potec Co., Ltd. | Daejeon, South Korea | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Ray Vision Inc. | Lake Forest, CA, United States | Repackager or relabeler, Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Reichert Inc. | Depew, NY, United States | Complaint file establishment, Specification developer | 0 | 0 | 2 | 0 | api.fda.gov | |
| Rexxam.co., Ltd. | Takamatsu Kagawa, Japan | Contract manufacturer, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| S4optik LLC | Jacksonville, FL, United States | Complaint file establishment, Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Shanghai Canton Optics Equipment Co., Ltd. | Shanghai, China | Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Shanghai Huvitz Co., Ltd. | Shanghai, China | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Shanghai Link Instruments Co.,ltd | Changzhou City Jiangsu, China | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Shenzhen Certainn Technology Co., Ltd. | Shenzhen Guangdong, China | Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Siview SAS | Paris, France | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Takagi Seiko Co., Ltd. | NAKANO-SHI Nagano, Japan | Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Topcon Corp. | Tokyo, Japan | Specification developer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Towa Medical Instruments Co.,ltd. | Nakano-shi Nagano, Japan | Contract manufacturer, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Taiyuan North China Xinyuan Tech. Center (Co., LTD.) | TAIYUAN Shaanxi, China | Contract manufacturer, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Topcon Healthcare Solutions EMEA Oy | OULU Pohjois-Pohjanmaa, Finland | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Topcon Healthcare, Inc. | Oakland, NJ, United States | Manufacturer for export | 0 | 0 | 0 | 0 | api.fda.gov | |
| Topcon Yamagata Co., LTD | Yamagata-KEN, Japan | Contract manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Unicos Co., Ltd. | daejeon, South Korea | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Visionix Ltd. | Jerusalem, Israel | Contract manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Vmax Vision Inc. | Longwood, FL, United States | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| View-M TECHNOLOGY CO., LTD | Gunpo-si Gyeonggi, South Korea | Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov | |
| Wuxi Zontai Int'l Corporation Ltd. | WUXI Jiangsu, China | Contract manufacturer, Exporter to the US, Manufacturer | 0 | 0 | 0 | 0 | api.fda.gov |
Updated September 28, 1994. Read from openFDA bulk downloads (device registration and listing, 510(k), PMA, recall and enforcement files). CC0 1.0, public domain (openFDA terms of service). The files are joined on FDA identifiers: the 510(k) and PMA numbers a registration lists, and the recalling firm's FEI for recalls. Recall class comes from the FDA enforcement report. The FDA states that openFDA data is unvalidated and is not for decisions about medical care. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.