A61B 3/1035
For measuring astigmatism
Official title: {for measuring astigmatism (testing astigmatism A61B3/036)}
A61B3/1035 (For measuring astigmatism) appears on 168 US grants and 188 published applications in this corpus.
Search patents in A61B- Granted patents
- 168
- Published applications
- 188
- Assignees
- 71
- Inventors
- 242
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 5 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 4 | 2 |
| 2011 | 4 | 5 |
| 2012 | 2 | 5 |
| 2013 | 5 | 7 |
| 2014 | 7 | 18 |
| 2015 | 9 | 9 |
| 2016 | 9 | 10 |
| 2017 | 7 | 43 |
| 2018 | 2 | 4 |
| 2019 | 37 | 10 |
| 2020 | 15 | 12 |
| 2021 | 13 | 10 |
| 2022 | 8 | 6 |
| 2023 | 11 | 13 |
| 2024 | 4 | 5 |
| 2025 | 6 | 6 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for measuring and correcting astigmatism using laser generated corneal incisions29 Sep 2026US 12,745,904 B2Lensar, Inc.
- Ophthalmologic apparatus28 Jul 2026US 12,690,765 B2Topcon Corporation
- Measuring refractive error of the human eye using optical coherence tomography26 May 2026US 12,635,872 B2Alcon Inc.
- Ophthalmic apparatus, method of controlling ophthalmic apparatus, and recording medium7 Apr 2026US 12,594,188 B2Topcon Corporation
- Intelligent topographic corneal procedure advisor10 Feb 2026US 12,544,264 B2Alcon Inc.
- 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
- Eye examination device and method for eye examination27 Aug 2026US 2026/0248388 A1Hooke Eye Exam Solutions Ltd.
- Post-operative toric iol evaluation system30 Jul 2026US 2026/0215685 A1Alcon Inc.
- Method for determining progressive power lens9 Jul 2026US 2026/0194767 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Augmented and virtual reality display systems and methods for diagnosing a user using electrical potentials86US 10,345,592 B2Magic Leap, Inc. · 2019
- User-proposed entry field(s) for customized data analysis/presentation86US 8,002,410 B2Clarity Medical Systems, Inc. · 2011
- Augmented and virtual reality display systems and methods for determining optical prescriptions72US 10,345,590 B2Magic Leap, Inc. · 2019
- In situ astigmatism axis alignment55US 5,549,597 AVISX, Incorporated · 1996
- Optimizing vision correction procedures42US 8,100,530 B2Clarity Medical Systems, Inc. · 2012