DE68921375T2 - Messgerät für die Brechkraft des Auges. - Google Patents
Messgerät für die Brechkraft des Auges.Info
- Publication number
- DE68921375T2 DE68921375T2 DE68921375T DE68921375T DE68921375T2 DE 68921375 T2 DE68921375 T2 DE 68921375T2 DE 68921375 T DE68921375 T DE 68921375T DE 68921375 T DE68921375 T DE 68921375T DE 68921375 T2 DE68921375 T2 DE 68921375T2
- Authority
- DE
- Germany
- Prior art keywords
- eye
- measuring device
- refractive power
- refractive
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1208—Multiple lens hand-held instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63158495A JP2624516B2 (ja) | 1988-06-27 | 1988-06-27 | 眼屈折度測定装置 |
JP63331999A JPH027934A (ja) | 1988-12-29 | 1988-12-29 | 眼屈折度測定装置 |
JP63332000A JP2958012B2 (ja) | 1988-12-29 | 1988-12-29 | 眼屈折度測定装置 |
JP1136389A JPH031833A (ja) | 1989-05-29 | 1989-05-29 | 眼屈折度測定装置 |
JP1136390A JPH031834A (ja) | 1989-05-29 | 1989-05-29 | 眼屈折度測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921375D1 DE68921375D1 (de) | 1995-04-06 |
DE68921375T2 true DE68921375T2 (de) | 1995-10-26 |
Family
ID=27527459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921375T Expired - Fee Related DE68921375T2 (de) | 1988-06-27 | 1989-06-26 | Messgerät für die Brechkraft des Auges. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5011276A (de) |
EP (3) | EP0349228B1 (de) |
DE (1) | DE68921375T2 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5585873A (en) * | 1991-10-11 | 1996-12-17 | Alcon Laboratories, Inc. | Automated hand-held keratometer |
DE4210485C2 (de) * | 1992-03-31 | 1994-03-31 | Adatomed Pharma & Med | Vorrichtung zur Bestimmung der Augenrefraktion und Verwendung hierfür |
US5684561A (en) * | 1992-05-26 | 1997-11-04 | Daphne Eye Technologies | Device and method for evaluation of refraction of the eye |
CN1034711C (zh) * | 1992-06-29 | 1997-04-30 | 华东工学院 | 婴幼儿视力测试仪 |
US5528323A (en) * | 1992-10-30 | 1996-06-18 | Nidek Co., Ltd. | Ophthalmic apparatus including hand-held measuring device and wireless data transmission |
JP3408315B2 (ja) * | 1994-03-31 | 2003-05-19 | 株式会社ニデック | 眼科装置 |
US5617157A (en) * | 1994-06-15 | 1997-04-01 | Metaphase Ophthalmic Corp. | Computer controlled subjective refractor |
JPH09234184A (ja) * | 1996-02-29 | 1997-09-09 | Nikon Corp | 眼科装置 |
US5777719A (en) * | 1996-12-23 | 1998-07-07 | University Of Rochester | Method and apparatus for improving vision and the resolution of retinal images |
US6033074A (en) * | 1997-12-09 | 2000-03-07 | Nikon Corporation | Subjective eye refractive power measuring apparatus |
US5988814A (en) * | 1999-03-02 | 1999-11-23 | Evans & Sutherland Computer Corporation | Patient-interactive method and apparatus for measuring eye refraction |
JP4649035B2 (ja) * | 2000-10-18 | 2011-03-09 | 株式会社トプコン | 眼特性測定装置 |
US7891818B2 (en) | 2006-12-12 | 2011-02-22 | Evans & Sutherland Computer Corporation | System and method for aligning RGB light in a single modulator projector |
US7802883B2 (en) | 2007-12-20 | 2010-09-28 | Johnson & Johnson Vision Care, Inc. | Cosmetic contact lenses having a sparkle effect |
US8358317B2 (en) | 2008-05-23 | 2013-01-22 | Evans & Sutherland Computer Corporation | System and method for displaying a planar image on a curved surface |
US8702248B1 (en) | 2008-06-11 | 2014-04-22 | Evans & Sutherland Computer Corporation | Projection method for reducing interpixel gaps on a viewing surface |
US8077378B1 (en) | 2008-11-12 | 2011-12-13 | Evans & Sutherland Computer Corporation | Calibration system and method for light modulation device |
US9641826B1 (en) | 2011-10-06 | 2017-05-02 | Evans & Sutherland Computer Corporation | System and method for displaying distant 3-D stereo on a dome surface |
CN107529983A (zh) | 2015-01-09 | 2018-01-02 | 智能视觉实验室股份有限公司 | 具有开放场对准通道的便携式波前像差仪 |
CN108852280A (zh) * | 2018-07-16 | 2018-11-23 | 南京泰立瑞信息科技有限公司 | 一种视力筛查的图像采集与分析方法、系统及设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253743A (en) * | 1977-05-17 | 1981-03-03 | Canon Kabushiki Kaisha | Eye testing instrument |
JPS55125844A (en) * | 1979-03-20 | 1980-09-29 | Canon Kk | Optic refractometer |
US4692003A (en) * | 1983-11-07 | 1987-09-08 | Adachi Iwao P | Real-time analysis keratometer |
JPS6185919A (ja) * | 1984-10-02 | 1986-05-01 | 株式会社トプコン | 眼検査装置 |
DE3689757T2 (de) * | 1985-01-22 | 1994-11-03 | Topcon Corp | Gerät zur Messung der Brechkraft der Augen. |
JPS61268228A (ja) * | 1985-05-24 | 1986-11-27 | 株式会社トプコン | 眼屈折力測定装置 |
-
1989
- 1989-06-26 US US07/371,544 patent/US5011276A/en not_active Expired - Fee Related
- 1989-06-26 DE DE68921375T patent/DE68921375T2/de not_active Expired - Fee Related
- 1989-06-26 EP EP89306431A patent/EP0349228B1/de not_active Expired - Lifetime
- 1989-06-26 EP EP9393105804A patent/EP0559236A3/en not_active Withdrawn
- 1989-06-26 EP EP19930105803 patent/EP0559235A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US5011276A (en) | 1991-04-30 |
EP0559236A2 (de) | 1993-09-08 |
EP0349228B1 (de) | 1995-03-01 |
EP0559235A3 (en) | 1994-10-26 |
DE68921375D1 (de) | 1995-04-06 |
EP0559236A3 (en) | 1994-10-19 |
EP0349228A1 (de) | 1990-01-03 |
EP0559235A2 (de) | 1993-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |