DE60020634D1 - Vorrichtung zur Präsentation von Sehtest-Zeichenträgern - Google Patents
Vorrichtung zur Präsentation von Sehtest-ZeichenträgernInfo
- Publication number
- DE60020634D1 DE60020634D1 DE60020634T DE60020634T DE60020634D1 DE 60020634 D1 DE60020634 D1 DE 60020634D1 DE 60020634 T DE60020634 T DE 60020634T DE 60020634 T DE60020634 T DE 60020634T DE 60020634 D1 DE60020634 D1 DE 60020634D1
- Authority
- DE
- Germany
- Prior art keywords
- presentation
- visual test
- test character
- character carriers
- carriers
- 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 - Lifetime
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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09933899A JP3649943B2 (ja) | 1999-04-06 | 1999-04-06 | 視標呈示装置 |
JP9933899 | 1999-04-06 | ||
JP31315399A JP3828692B2 (ja) | 1999-11-04 | 1999-11-04 | 視力計 |
JP31315399 | 1999-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60020634D1 true DE60020634D1 (de) | 2005-07-14 |
DE60020634T2 DE60020634T2 (de) | 2006-05-04 |
Family
ID=26440483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60020634T Expired - Lifetime DE60020634T2 (de) | 1999-04-06 | 2000-04-05 | Vorrichtung zur Präsentation von Sehtest-Zeichenträgern |
Country Status (3)
Country | Link |
---|---|
US (1) | US6244713B1 (de) |
EP (1) | EP1042984B1 (de) |
DE (1) | DE60020634T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1313720B1 (it) * | 1999-09-24 | 2002-09-17 | San Raffaele Centro Fond | Apparato di misura di prestazioni visive |
US6425665B2 (en) * | 2000-03-31 | 2002-07-30 | Nidek Co., Ltd. | Visual acuity examination apparatus |
JP3551255B2 (ja) * | 2001-03-22 | 2004-08-04 | 株式会社椿本チエイン | 光センサ |
NL1017741C2 (nl) | 2001-03-30 | 2002-10-01 | Manfred Laufer | Werkwijze en inrichting voor beoordeling van gezichtsscherpte. |
US6652101B1 (en) * | 2001-10-09 | 2003-11-25 | Stephen R. Glaser | Method and apparatus for performing vision screening |
KR100679147B1 (ko) * | 2001-11-15 | 2007-02-27 | 가부시키가이샤 탑콘 | 검안장치 및 검안차트 |
US7390091B2 (en) * | 2005-04-29 | 2008-06-24 | Sperian Protection Optical, Inc. | Vision testing apparatus |
CN101444417B (zh) * | 2008-12-31 | 2010-06-09 | 长春奥普光电技术股份有限公司 | 一种多功能视力检测仪 |
US8534839B2 (en) * | 2010-03-01 | 2013-09-17 | Alcon Research, Ltd. | Adaptive visual performance testing system |
DE102010027517A1 (de) * | 2010-07-15 | 2012-01-19 | Aviant Gmbh | Ophthalmologische Anordnung und Verfahren zur Prüfung von Netzhautdefekten |
JP6057055B2 (ja) * | 2012-07-31 | 2017-01-11 | 株式会社ニデック | 検眼装置 |
ES2464915B2 (es) * | 2012-12-04 | 2014-12-04 | Universidad Complutense De Madrid | Caja de acomodación para el método de acercamiento modificado |
KR101652739B1 (ko) * | 2016-03-23 | 2016-08-31 | (주) 뷰엠테크놀로지 | 시력 검사 방법, 시력 검사기 및 이 시력 검사 방법의 프로그램을 저장하는 다운로더 서버 |
JP6930095B2 (ja) | 2016-12-01 | 2021-09-01 | 株式会社ニデック | 自覚式検眼装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2532170A1 (fr) | 1982-08-27 | 1984-03-02 | Essilor Int | Appareil de depistage des defauts de la vue et cassette pour le service d'un tel appareil |
JP2754034B2 (ja) | 1989-04-11 | 1998-05-20 | 中川 敬子 | 両眼視検査器 |
CA2027781A1 (en) * | 1989-10-20 | 1991-04-21 | Bosko Jovicevic | Method and apparatus for examination of visual acuity |
DE4222100C2 (de) * | 1992-07-07 | 1997-07-24 | Rodenstock Instr | Sehtestgerät und zugehörige Sehtestscheibe |
US5471262A (en) * | 1994-05-04 | 1995-11-28 | Trokel; Stephen L. | Apparatus and method to measure visual function under simulated nighttime conditions |
JP3653367B2 (ja) | 1997-04-04 | 2005-05-25 | Hoya株式会社 | 検眼視標投影装置 |
US5929972A (en) * | 1998-01-14 | 1999-07-27 | Quo Vadis, Inc. | Communication apparatus and method for performing vision testing on deaf and severely hearing-impaired individuals |
-
2000
- 2000-04-05 EP EP00302879A patent/EP1042984B1/de not_active Expired - Lifetime
- 2000-04-05 DE DE60020634T patent/DE60020634T2/de not_active Expired - Lifetime
- 2000-04-06 US US09/544,633 patent/US6244713B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60020634T2 (de) | 2006-05-04 |
US6244713B1 (en) | 2001-06-12 |
EP1042984A1 (de) | 2000-10-11 |
EP1042984B1 (de) | 2005-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |