Devices descending from K943177
54 later devices reach Boston (R) 7 - 30(Enflufocon a) through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K171575 | ENFLU 18 (enflufocon A) Daily Wear Contact Lens | Contamac, Ltd. | 2017 | 1 | — |
| +1 | K163254 | Acuity 18 (enflufocon A) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2017 | 0 | — |
| +1 | K020006 | Dyna Intra-Limbal Lens | Lens Dynamics, Inc. | 2002 | 39 | — |
| +1 | K000795 | Rigid Gas Permeable Contact Lens | Polymer Technology | 2000 | 50 | — |
| +1 | K980741 | Boston EO Rigid Gas Permeable Contact Lens Material (Enflofocon B) | Polymer Technology Div. Wilmington Partners, L.P. | 1998 | 1 | — |
| +1 | K970698 | Boston ES Multivision (Enflufocon a) Contact Lens | Polymer Technology Corp. | 1997 | 30 | — |
| +2 | K253822 | GPA (hexafocon A) Rigid Gas Permeable Contact Lenses | Zhuhai Fitlens Medical Technology Co., Ltd. | 2026 | 0 | — |
| +2 | K202860 | Valley Contax Single Vision (SV) Gas Permeable Contact Lens (roflufocon D, roflufocon E… | Valley Contax, Inc. | 2021 | 0 | — |
| +2 | K170007 | Acuity 58 (Enflufocon B) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2017 | 0 | — |
| +2 | K081443 | Menicon Z Rigid Gas Permeable Contact Lens | Menicon Co, Ltd. | 2008 | 1 | — |
| +2 | K071266 | Boston X02 (Hexafocon B) Rigid Gas Permeable Contact Lens | Bausch & Lomb, Inc. | 2007 | 26 | 2 |
| +2 | K070628 | Optimum GP (Roflufocon a,B,C,D&E) Daily Wear Contact Lens. | Contamac, Ltd. | 2007 | 10 | — |
| +2 | K053124 | Boston ES (Enflufocon a), Boston EO (Enflufocon B) and Boston XO (Hexafocon a) Rigid Gas… | Bausch & Lomb, Incorporated | 2006 | 38 | — |
| +2 | K051035 | Synergeyes (Paflucon D Hem-Iberfilcon a) Hybrid Contact Lens | Synergeyes | 2005 | 5 | — |
| +2 | K033594 | Optimum GP (Oxygen Permeable) Daily Wear Contact Lenses | Contamac, Ltd. | 2004 | 28 | 2 |
| +2 | K032256 | Quasar-Quasar Plus-Quasar Toric (Hybufocon a, Hexafocon a, Paflufocon B) Rigid Gas… | No 7 Contact Lens Laboratory, Ltd. | 2003 | 0 | — |
| +2 | K021752 | FP (Hexafocon a)RGP Contact Lens Spherical/Asp (Hexafocon a)RGP Contact Lens Aspherical | Lucid Korea Co., Ltd. | 2002 | 0 | — |
| +3 | K183167 | Boston ES (enflufocon A) Rigid Gas Permeable Contact Lens; Boston EO (enflufocon B)… | Bausch & Lomb, Incorporated | 2019 | 5 | — |
| +3 | K181579 | eLens Rigid Gas Permeable Contact Lens for Daily Wear, eLens Rigid Gas Permeable Contact… | E&E Optics, Inc. | 2018 | 0 | — |
| +3 | K161100 | Optimum GP with HPT (roflufocon A, B, C, D, and E) Daily Wear Contact Lenses | Contamac, Ltd. | 2016 | 8 | — |
| +3 | K160859 | OPTIMUM GP OK Daily Wear Contact Lens (roflufocon D & E) | Contamac, Ltd. | 2016 | 0 | — |
| +3 | K152724 | Eyeprintpro (Roflufocon D) Scleral GP Lenses | Advanced Vision Technologies | 2016 | 0 | — |
| +3 | K153066 | BostonSight IC Corneal Lens, BostonSight IC Scleral Lens | Boston Foundation For Sight | 2016 | 20 | — |
| +3 | K120996 | Fluoroperm 30 Paragon HDS Fluoroperm 60 Paragon HDS 100 Fluoroperm 92 Fluoroperm 151… | Paragon Vision Sciences | 2012 | 1 | — |
| +3 | K103561 | Menicon Z (Tisilfocon a) Rigid Gas Permeable Contact Lens | Menicon Co, Ltd. | 2011 | 0 | — |
| +3 | K102154 | Tyro-97 (Hofocon a), Onsi 56 (Hofocon), Rigid Gas Permeable Spherical, Aspheric, Toric… | The Lagado Corp. | 2011 | 5 | — |
| +3 | K083921 | Synergeyes Sig (Petrafocon a Hem-Larafilcon a) Hybrid Contact Lens | Synergeyes, Inc. | 2009 | 1 | — |
| +3 | K071043 | Boston XO (Hexafocon a), Boston EO (Enflufocon B) and Boston ES (Enflufocon a) Rigid Gas… | Bausch & Lomb, Inc. | 2007 | 14 | 2 |
| +3 | K062548 | Modification to Optimum GP (Oxygen Permeable) Daily Wear Contact Lenses | Contamac, Ltd. | 2006 | 0 | — |
| +3 | K060102 | Synergeyes PS Hybrid Contact Lens | Synergeyes, Inc. | 2006 | 2 | — |
| +3 | K052675 | Synergeyes KC (Paflufocon D Hem-Iberfilcon a) Hybrid Contact Lens for Keratoconus | Synergeyes | 2005 | 3 | — |
| +4 | K241571 | BostonSight® Specialty Lenses | Boston Foundation For Sight, Inc. D/B/A Bostonsight | 2024 | 0 | — |
| +4 | K230965 | Acuity 100™ (hexafocon A) with Tangible™ Hydra-PEG®, TYRO™-97 (hofocon A) with Tangible™… | Acuity Polymers, Inc. | 2023 | 4 | — |
| +4 | K213538 | Acuity 200 with Tangible Hydra-PEG (fluoroxyfocon A) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2021 | 4 | — |
| +4 | K180172 | FluoroPerm 30 & Paragon Thin (paflufocon C) RGP contact lenses with Tangible Hydra-PEG… | Paragon Vision Sciences | 2018 | 0 | — |
| +4 | K162005 | Acuity 100 (hexafocon A) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2016 | 9 | — |
| +4 | K160938 | SynergEyes SiH with Hydra-PEG (petrafocon A hem-larafilcon A) Hybrid Daily Wear Lens | Synergeyes, Inc. | 2016 | 0 | — |
| +4 | K161461 | BostonSight PD Prosthetic Device | Bostonsight | 2016 | 19 | 1 |
| +4 | K142510 | UltraHealth Hybrid Contact Lens for Keratoconus, UltraHealth Flat Cornea Hybrid Contact… | Synergeyes, Inc. | 2014 | 1 | — |
| +5 | K240618 | Acuity 200™ (fluoroxyfocon A) Rigid Gas Permeable Contact Lens; Acuity 100™ (hexafocon… | Acuity Polymers, Inc. | 2024 | 3 | — |
| +5 | K212631 | Optimum Infinite (tisilfocon A) Daily Wear Contact Lenses | Contamac, Ltd. | 2022 | 7 | — |
| +5 | K203571 | Acuity 200 (fluoroxyfocon A) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2021 | 6 | — |
| +5 | K201194 | Acuity 200™ (fluoroxyfocon A) Rigid Gas Permeable Contact Lens | Acuity Polymers, Inc. | 2020 | 7 | — |
| +5 | K183175 | BostonSight Scleral | Bostonsight | 2019 | 1 | 1 |
| +5 | K171404 | BOSTON XO (hexafocon A), BOSTON XO2 (hexafocon B) | Bausch + Lomb, Incorporated | 2017 | 14 | — |
| +5 | K170335 | Custom Stable (TM) Rigid Gas Permeable Scleral Contact Lens | Valley Contax, Inc. | 2017 | 1 | — |
| +6 | K242393 | Acuity 181™ (tisilfocon A) and Acuity 181™ (tisilfocon A) with Tangible™ Hydra-PEG®… | Acuity Polymers, Inc. | 2024 | 0 | — |
| +6 | K241398 | SDJMASTERVISION (fluoroxyfocon A) Rigid Gas Permeable Contact Lenses | Tianjin Mastervision Technology Co., Ltd. | 2024 | 0 | — |
| +6 | K233325 | Visionary Optics Scleral Contact Lens (roflufocon D, roflufocon E, hexafocon A… | Visionary Optics, LLC | 2024 | 4 | — |
| +6 | K230910 | NewVision SC (tisilfocon A) Scleral Lens; NewVision SC Daily Wear Ortho-K (tisilfocon A)… | Acculens, Inc. | 2023 | 0 | — |
| +6 | K221768 | Oxfore®100 (hexafocon A) Rigid Gas Permeable Contact Lenses | Paragon Vision Sciences, Inc. | 2023 | 0 | — |
| +6 | K223394 | Visionary Optics Scleral Contact Lens (roflufocon D, roflufocon E, hexafocon A… | Visionary Optics, LLC | 2022 | 5 | — |
| +6 | K213880 | Custom Stable Rigid Gas Permeable Scleral Contact Lens | Valley Contax, Inc. | 2022 | 0 | — |
| +6 | K180616 | OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens, HEXA100 (hexafocon A)… | Contamac, Ltd. | 2018 | 9 | — |