DE3689757T2 - Gerät zur Messung der Brechkraft der Augen. - Google Patents
Gerät zur Messung der Brechkraft der Augen.Info
- Publication number
- DE3689757T2 DE3689757T2 DE3689757T DE3689757T DE3689757T2 DE 3689757 T2 DE3689757 T2 DE 3689757T2 DE 3689757 T DE3689757 T DE 3689757T DE 3689757 T DE3689757 T DE 3689757T DE 3689757 T2 DE3689757 T2 DE 3689757T2
- Authority
- DE
- Germany
- Prior art keywords
- eyes
- measuring
- 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
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60010371A JPS61168330A (ja) | 1985-01-22 | 1985-01-22 | 自動眼屈折力測定装置 |
JP60136515A JPS61293426A (ja) | 1985-06-22 | 1985-06-22 | 自動眼屈折力測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3689757D1 DE3689757D1 (de) | 1994-05-11 |
DE3689757T2 true DE3689757T2 (de) | 1994-11-03 |
Family
ID=26345625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3689757T Expired - Fee Related DE3689757T2 (de) | 1985-01-22 | 1986-01-21 | Gerät zur Messung der Brechkraft der Augen. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4848895A (de) |
EP (1) | EP0189350B1 (de) |
DE (1) | DE3689757T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2761726B2 (ja) * | 1988-03-11 | 1998-06-04 | 旭光学工業株式会社 | 内視鏡の接眼装置 |
DE68921375T2 (de) * | 1988-06-27 | 1995-10-26 | Ryusyo Industrial Co | Messgerät für die Brechkraft des Auges. |
DE68922973T2 (de) * | 1988-12-06 | 1995-11-30 | Topcon Corp | Anordnung zur Bestimmung der Augenbrechkraft. |
JP3001246B2 (ja) * | 1990-09-29 | 2000-01-24 | 株式会社トプコン | 眼屈折力測定装置 |
JP3219534B2 (ja) * | 1993-04-16 | 2001-10-15 | キヤノン株式会社 | 光学装置 |
US5617157A (en) * | 1994-06-15 | 1997-04-01 | Metaphase Ophthalmic Corp. | Computer controlled subjective refractor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277150A (en) * | 1977-08-24 | 1981-07-07 | Tokyo Kogaku Kikai Kabushiki Kaisha | Eye refractmeter |
US4162828A (en) * | 1977-09-30 | 1979-07-31 | Trachtman Joseph N | Apparatus and methods for directly measuring the refraction of the eye |
JPS5542624A (en) * | 1978-09-20 | 1980-03-26 | Canon Kk | Automatic eye refraction measuring system |
JPS5566347A (en) * | 1978-11-13 | 1980-05-19 | Tokyo Optical | Infrared ray refractometer |
JPS5631732A (en) * | 1979-08-24 | 1981-03-31 | Canon Kk | Automatic focus adjusting camera |
US4591247A (en) * | 1981-06-03 | 1986-05-27 | Tokyo Kogaku Kikai Kabushiki Kaisha | Eye refractometer |
JPS59183727A (ja) * | 1983-04-02 | 1984-10-18 | 株式会社トプコン | 眼科器械の合焦検出装置 |
JPS60145119A (ja) * | 1983-12-30 | 1985-07-31 | キヤノン株式会社 | 眼屈折力測定装置 |
JPS6185919A (ja) * | 1984-10-02 | 1986-05-01 | 株式会社トプコン | 眼検査装置 |
-
1986
- 1986-01-21 EP EP86400116A patent/EP0189350B1/de not_active Expired - Lifetime
- 1986-01-21 DE DE3689757T patent/DE3689757T2/de not_active Expired - Fee Related
- 1986-01-22 US US06/820,793 patent/US4848895A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0189350A2 (de) | 1986-07-30 |
US4848895A (en) | 1989-07-18 |
DE3689757D1 (de) | 1994-05-11 |
EP0189350A3 (en) | 1988-05-11 |
EP0189350B1 (de) | 1994-04-06 |
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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 |