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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

CountryMakers
China13
United States9
Japan8
South Korea5
France3
India2
Italy1
Mexico1
Brazil1
Canada1
Switzerland1
United Kingdom1
Finland1
Israel1

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.

MakerLocationRole510(k) clearancesLatest clearancePMA approvalsRecall eventsClass ISource
Adaptica SRLPadova, ItalyManufacturer0000api.fda.gov
AMETEK Lamb Motores de Mexico, S. de R.L. de C.V.Reynosa Tamaulipas, MexicoManufacturer0000api.fda.gov
Appasamy Associates Private Limited ( Ambattur)Chennai Tamil Nadu, IndiaManufacturer0000api.fda.gov
Apramed Industria E Comercio De Aparelhos Medicos LtdaSAO CARLOS Sao Paulo, BrazilManufacturer0000api.fda.gov
Apramed USA LLCKissimmee, FL, United StatesManufacturer, Repackager or relabeler0000api.fda.gov
Blue.s4Belleville Ontario, CanadaSpecification developer0000api.fda.gov
Chongqing Yeasn Science-Technology Co.,ltd.Chongqing, ChinaContract manufacturer, Manufacturer0000api.fda.gov
Danyang New Hope Medical Equipment Co., LtdDanyang Jiangsu, ChinaManufacturer0000api.fda.gov
ESSILOR International Usine de la CompasserieLigny en Barrois Meuse, FranceForeign private label distributor, Manufacturer0000api.fda.gov
Everview CorpGeumcheon-gu Seoul, South KoreaManufacturer0000api.fda.gov
Eyeque CorporationNewark, CA, United StatesManufacturer, Remanufacturer, Repackager or relabeler, Specification developer0000api.fda.gov
Forus Health PVT.LTD.Bengaluru Karnataka, IndiaManufacturer0000api.fda.gov
Gino Optical (shanghai) Co., Ltd.Shanghai, ChinaExporter to the US, Manufacturer0000api.fda.gov
Haag-Streit AGKOENIZ Bern, SwitzerlandManufacturer0000api.fda.gov
Huvitz Co., Ltd.Anyang-si Gyeonggi, South KoreaManufacturer0000api.fda.gov
Inami & Co., Ltd.Bunkyo Tokyo, JapanManufacturer0000api.fda.gov
Keeler Ltd.WINDSOR, BERKSHIRE Windsor and Maidenhead, United KingdomManufacturer0000api.fda.gov
Langfang Far East Prosperous Optical Instrument Co.,ltd.Langfang Hebei, ChinaContract manufacturer, Manufacturer0000api.fda.gov
Lianyungang Tiannuo Optical Instrument Co., Ltd.LIANYUNGANG Jiangsu, ChinaContract manufacturer, Repackager or relabeler0000api.fda.gov
Lombart Instrument, Inc D/B/A Advancing EyecareJacksonville, FL, United StatesComplaint file establishment, Specification developer0000api.fda.gov
Luneau Technology OperationsPont-de-l'Arche Eure, FranceManufacturer0000api.fda.gov
Nidek Co., Ltd.Gamagori, Aichi, JapanSpecification developer0000api.fda.gov
Nidek Co., Ltd. Hamacho PlantGamagori, Aichi, JapanExporter to the US, Manufacturer0000api.fda.gov
Nidek IncorporatedThe Colony, TX, United StatesManufacturer0030api.fda.gov
Ningbo Flo Optical Technology Development Co., Ltd.Ningbo Zhejiang, ChinaManufacturer0000api.fda.gov
Ningbo Ming Sing Optical R&D Co., Ltd.Ningbo Zhejiang, ChinaExporter to the US, Manufacturer, Repackager or relabeler0000api.fda.gov
Potec Co., Ltd.Daejeon, South KoreaManufacturer0000api.fda.gov
Ray Vision Inc.Lake Forest, CA, United StatesRepackager or relabeler, Specification developer0000api.fda.gov
Reichert Inc.Depew, NY, United StatesComplaint file establishment, Specification developer0020api.fda.gov
Rexxam.co., Ltd.Takamatsu Kagawa, JapanContract manufacturer, Manufacturer0000api.fda.gov
S4optik LLCJacksonville, FL, United StatesComplaint file establishment, Specification developer0000api.fda.gov
Shanghai Canton Optics Equipment Co., Ltd.Shanghai, ChinaExporter to the US, Manufacturer0000api.fda.gov
Shanghai Huvitz Co., Ltd.Shanghai, ChinaManufacturer0000api.fda.gov
Shanghai Link Instruments Co.,ltdChangzhou City Jiangsu, ChinaManufacturer0000api.fda.gov
Shenzhen Certainn Technology Co., Ltd.Shenzhen Guangdong, ChinaExporter to the US, Manufacturer0000api.fda.gov
Siview SASParis, FranceManufacturer0000api.fda.gov
Takagi Seiko Co., Ltd.NAKANO-SHI Nagano, JapanExporter to the US, Manufacturer0000api.fda.gov
Topcon Corp.Tokyo, JapanSpecification developer0000api.fda.gov
Towa Medical Instruments Co.,ltd.Nakano-shi Nagano, JapanContract manufacturer, Manufacturer0000api.fda.gov
Taiyuan North China Xinyuan Tech. Center (Co., LTD.)TAIYUAN Shaanxi, ChinaContract manufacturer, Manufacturer0000api.fda.gov
Topcon Healthcare Solutions EMEA OyOULU Pohjois-Pohjanmaa, FinlandManufacturer0000api.fda.gov
Topcon Healthcare, Inc.Oakland, NJ, United StatesManufacturer for export0000api.fda.gov
Topcon Yamagata Co., LTDYamagata-KEN, JapanContract manufacturer0000api.fda.gov
Unicos Co., Ltd.daejeon, South KoreaManufacturer0000api.fda.gov
Visionix Ltd.Jerusalem, IsraelContract manufacturer0000api.fda.gov
Vmax Vision Inc.Longwood, FL, United StatesManufacturer0000api.fda.gov
View-M TECHNOLOGY CO., LTDGunpo-si Gyeonggi, South KoreaManufacturer0000api.fda.gov
Wuxi Zontai Int'l Corporation Ltd.WUXI Jiangsu, ChinaContract manufacturer, Exporter to the US, Manufacturer0000api.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.