A61F 2/1627
For changing index of refraction
Official title: {for changing index of refraction, e.g. by external means or by tilting}
A61F2/1627 (For changing index of refraction) appears on 245 US grants and 319 published applications in this corpus.
Search patents in A61F- Granted patents
- 245
- Published applications
- 319
- Assignees
- 89
- Inventors
- 303
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 1 | 11 |
| 2004 | 3 | 1 |
| 2005 | 4 | 11 |
| 2006 | 5 | 10 |
| 2007 | 6 | 11 |
| 2008 | 0 | 6 |
| 2009 | 1 | 9 |
| 2010 | 5 | 4 |
| 2011 | 5 | 5 |
| 2012 | 5 | 11 |
| 2013 | 5 | 15 |
| 2014 | 10 | 17 |
| 2015 | 15 | 12 |
| 2016 | 11 | 34 |
| 2017 | 16 | 20 |
| 2018 | 27 | 29 |
| 2019 | 22 | 24 |
| 2020 | 16 | 21 |
| 2021 | 18 | 14 |
| 2022 | 17 | 11 |
| 2023 | 17 | 18 |
| 2024 | 5 | 10 |
| 2025 | 12 | 5 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intraocular lenses for presbyopia treatment22 Sep 2026US 12,740,855 B2AMO Groningen B. V.
- Systems and methods for spectacle independence using refractive index writing with an intraocular lens15 Sep 2026US 12,734,028 B2AMO Groningen B. V.
- Intraocular lens (IOL) based on metasurface16 Jun 2026US 12,653,664 B2Wenzhou Institute, University of Chinese Academy Of Sciences
- Diffractive multifocal small aperture ophthalmic lens5 May 2026US 12,619,103 B2
- AI-based video analysis of cataract surgery for dynamic anomaly recognition and correction14 Apr 2026US 12,599,476 B2Carl Zeiss Meditec AG
- Systems and methods for vergence matching with an optical profile and using refractive index writing8 Oct 2026US 2026/0307346 A1AMO Groningen B. V.
- Implantable accomodating intraocular lenses, iol implants, and related systems and methods30 Jul 2026US 2026/0215908 A1
- Lenses changing optical performance in response to an accommodative stimulus30 Jul 2026US 2026/0215909 A1AMO Groningen B. V.
- Methods for using violet laser energy to adjust the refractive properties of implanted intraocular lenses11 Jun 2026US 2026/0157888 A1Alcon Inc.
- Methods and systems for changing a refractive property of an implantable intraocular lens21 May 2026US 2026/0137560 A1AMO Development, LLC
Most cited
By later US patents
- Variable power intraocular lens and method of implanting into the posterior chamber447US 4,373,218 A1983
- Variable focus lens400US 5,066,301 A1991
- Lens with variable optical properties395US 5,443,506 A1995
- Variable power intraocular lens with astigmatism correction356US 5,171,266 A1992
- Switchable lens347US 5,712,721 AThe Technology Partnership PLC · 1998