A61B 3/103
For determining refraction
Official title: for determining refraction, e.g. refractometers or skiascopes
A61B3/103 (For determining refraction) appears on 953 US grants and 1,004 published applications in this corpus.
Search patents in A61B- Granted patents
- 953
- Published applications
- 1,004
- Assignees
- 314
- Inventors
- 1,394
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 19 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 3 |
| 2002 | 12 | 9 |
| 2003 | 18 | 26 |
| 2004 | 10 | 21 |
| 2005 | 8 | 23 |
| 2006 | 8 | 15 |
| 2007 | 18 | 19 |
| 2008 | 18 | 26 |
| 2009 | 15 | 21 |
| 2010 | 22 | 17 |
| 2011 | 24 | 24 |
| 2012 | 12 | 29 |
| 2013 | 20 | 28 |
| 2014 | 32 | 51 |
| 2015 | 32 | 46 |
| 2016 | 42 | 55 |
| 2017 | 42 | 86 |
| 2018 | 33 | 45 |
| 2019 | 74 | 65 |
| 2020 | 71 | 70 |
| 2021 | 50 | 56 |
| 2022 | 50 | 66 |
| 2023 | 38 | 61 |
| 2024 | 47 | 54 |
| 2025 | 59 | 47 |
| 2026 | 32 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for measuring and correcting astigmatism using laser generated corneal incisions29 Sep 2026US 12,745,904 B2Lensar, Inc.
- Ophthalmic device8 Sep 2026US 12,727,759 B2Tomey Corporation
- Vitreous floater characterization using aberrometry1 Sep 2026US 12,721,516 B2Alcon Inc.
- Optical ophthalmic apparatus and method of focusing image of retina1 Sep 2026US 12,721,519 B2Optomed PLC
- Methods of automated determination of parameters for vision correction25 Aug 2026US 12,714,300 B2WaveFront Dynamics, Inc.
- Method and Device for Measuring Optical Quality of the Human Eye and Its Crystalline Lens1 Oct 2026US 2026/0294236 A1Tracey Technologies, LLC
- Systems and methods for enabling customers to obtain vision and eye health examinations1 Oct 2026US 2026/0301934 A120/20 Vision Center, LLC
- Measuring refractive error of the human eye using optical coherence tomography17 Sep 2026US 2026/0272283 A1Alcon Inc.
- Device and method for estimating a refractive error from measured visual acuity17 Sep 2026US 2026/0272284 A1Essilor International
- Bi-radial patient interface17 Sep 2026US 2026/0272714 A1Alcon Inc.
Most cited
By later US patents
- Method and apparatus for improving vision and the resolution of retinal images591US 5,777,719 AUniversity of Rochester · 1998
- Method and apparatus for improving vision and the resolution of retinal images381US 6,095,651 AUniversity of Rochester · 2000
- Method and apparatus for improving vision and the resolution of retinal images289US 5,949,521 AUniversity of Rochester · 1999
- Method and apparatus for measurement of the refractive properties of the human eye271US 6,050,687 A20/10 Perfect Vision Optische Geraete GmbH · 2000
- Ophthalmic instrument with adaptive optic subsystem that measures aberrations (including higher order aberrations) of a human eye and that provides a view of compensation of such aberrations to the human eye245US 6,709,108 B2Adaptive Optics Associates, Inc. · 2004