# Contamac, Ltd.

- Location (FDA's records): Saffron Walden, GB
- FDA decisions: 19 (2002–2026): 18 510(k) clearances and 1 original PMA approval
- Product codes: HQD (11), LPL (5), NUU (1), MUW (1), MRC (1)
- 510(k) review time since 2016: median 113 days, against 53 for FDA's reviews in the same codes and years (2 of 7 faster)
- Predicates its devices cite: 28 (8 its own); citations of its devices by later devices: 29 (8 its own)
- Recalls linked to its devices: 4 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms whose devices it cites most
- Benz Research and Development Corp.: 6 (https://510kreport.com/company/benz-research-and-development)
- Polymer Technology Corp.: 4 (https://510kreport.com/company/polymer-technology)
- Bausch & Lomb, Inc.: 3 (https://510kreport.com/company/bausch-lomb)
- Art Optical Contact Lens, Inc.: 2 (https://510kreport.com/company/art-optical-contact-lens)
- Paragon Vision Sciences: 1 (https://510kreport.com/company/paragon-vision-sciences)
- Metro Optics of Austin, Inc.: 1 (https://510kreport.com/company/metro-optics-of-austin)
- Airperm, Inc.: 1 (https://510kreport.com/company/airperm)
- Bostonsight: 1 (https://510kreport.com/company/bostonsight)

## Firms that cite its devices most
- Valley Contax, Inc.: 4 (https://510kreport.com/company/valley-contax)
- Acuity Polymers, Inc.: 3 (https://510kreport.com/company/acuity-polymers)
- Advanced Vision Technologies: 2 (https://510kreport.com/company/advanced-vision-technologies)
- Boston Foundation For Sight, Inc. D/B/A Bostonsight: 2 (https://510kreport.com/company/boston-foundation-for-sight-d-b-a-bostonsight)
- Vision Science Co., Ltd.: 1 (https://510kreport.com/company/vision-science)
- Bostonsight: 1 (https://510kreport.com/company/bostonsight)
- Paragon Vision Sciences: 1 (https://510kreport.com/company/paragon-vision-sciences)
- No 7 Contact Lens Laboratory, Ltd.: 1 (https://510kreport.com/company/no-7-contact-lens-laboratory)

## Its most-cited devices
- K033594: Optimum GP (Oxygen Permeable) Daily Wear Contact Lenses (2004), cited by 5
- K180616: OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens, HEXA100 (hexafocon A) Daily Wear Contact Lens (2018), cited by 4
- K161100: Optimum GP with HPT (roflufocon A, B, C, D, and E) Daily Wear Contact Lenses (2016), cited by 4
- K212631: Optimum Infinite (tisilfocon A) Daily Wear Contact Lenses (2022), cited by 3
- K182304: Hyper GP (tisilfocon A) Daily Wear Contact Lens (2018), cited by 3
- K070628: Optimum GP (Roflufocon a,B,C,D&E) Daily Wear Contact Lens. (2007), cited by 2

## Recent decisions
- P240045: Optimum Infinite (tisilfocon A) Orthokeratology Lenses II (Feb 10, 2026)
- K212631: Optimum Infinite (tisilfocon A) Daily Wear Contact Lenses (Mar 17, 2022)
- K182304: Hyper GP (tisilfocon A) Daily Wear Contact Lens (Nov 23, 2018)
- K181566: Nutrifill (Oct 22, 2018)
- K180616: OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens, HEXA100 (hexafocon A) Daily Wear Contact Lens (Apr 25, 2018)
- K171575: ENFLU 18 (enflufocon A) Daily Wear Contact Lens (Oct 24, 2017)
- K171077: HEXA100 (hexafocon A) Daily Wear Contact Lenses (Aug 1, 2017)
- K161100: Optimum GP with HPT (roflufocon A, B, C, D, and E) Daily Wear Contact Lenses (Aug 10, 2016)

Source page: https://510kreport.com/company/contamac