A61B 3/036
For testing astigmatism
Official title: for testing astigmatism
A61B3/036 (For testing astigmatism) appears on 189 US grants and 211 published applications in this corpus.
Search patents in A61B- Granted patents
- 189
- Published applications
- 211
- Assignees
- 77
- Inventors
- 253
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 3 |
| 2008 | 4 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 7 |
| 2013 | 2 | 2 |
| 2014 | 6 | 8 |
| 2015 | 6 | 10 |
| 2016 | 13 | 19 |
| 2017 | 9 | 46 |
| 2018 | 4 | 8 |
| 2019 | 39 | 10 |
| 2020 | 16 | 22 |
| 2021 | 13 | 11 |
| 2022 | 15 | 6 |
| 2023 | 13 | 18 |
| 2024 | 4 | 11 |
| 2025 | 10 | 6 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method, device, and computer program product for determining a sensitivity of at least one eye of a test subject4 Aug 2026US 12,697,023 B2Rodenstock GmbH
- Astigmatism testing apparatus and method of use7 Jul 2026US 12,672,773 B2
- System and method for selecting optical elements for vision correction or treatment19 May 2026US 12,633,388 B2The Trustees of Indiana University
- Information processing device, eyesight test system, information processing method14 Apr 2026US 12,599,303 B2Sony Group Corporation
- Astigmatism-driven media content compensation9 Dec 2025US 12,490,897 B1Zenni Optical, Inc.
- Method for evaluating an individual's astigmatism3 Sep 2026US 2026/0256351 A1Siview
- Eye examination device and method for eye examination27 Aug 2026US 2026/0248388 A1Hooke Eye Exam Solutions Ltd.
- Method and apparatus for determining at least one refractive value of an eye6 Aug 2026US 2026/0224104 A1Carl Zeiss Vision International GmbH
- Ophthalmologic apparatus and method for controlling the same14 May 2026US 2026/0130586 A1Topcon Corporation
- Head-Mounted Display Device With Vision Correction14 May 2026US 2026/0133437 A1Apple Inc.
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
- Computerized refraction and astigmatism determination48US 9,492,074 B1Opternative, Inc. · 2016
- Optimizing vision correction procedures42US 8,100,530 B2Clarity Medical Systems, Inc. · 2012