IT1147758B - Apparecchio per la determinazione soggettiva della rifrazione - Google Patents
Apparecchio per la determinazione soggettiva della rifrazioneInfo
- Publication number
- IT1147758B IT1147758B IT67995/80A IT6799580A IT1147758B IT 1147758 B IT1147758 B IT 1147758B IT 67995/80 A IT67995/80 A IT 67995/80A IT 6799580 A IT6799580 A IT 6799580A IT 1147758 B IT1147758 B IT 1147758B
- Authority
- IT
- Italy
- Prior art keywords
- refraction
- subjective determination
- subjective
- determination
- Prior art date
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
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 |
---|---|---|---|
DE19792940519 DE2940519C2 (de) | 1979-10-05 | 1979-10-05 | Gerät zur subjektiven Refraktionsbestimmung |
DE19803009164 DE3009164A1 (de) | 1980-03-10 | 1980-03-10 | Geraet zur subjektiven refraktionsbestimmung |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8067995A0 IT8067995A0 (it) | 1980-06-26 |
IT1147758B true IT1147758B (it) | 1986-11-26 |
Family
ID=25781385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67995/80A IT1147758B (it) | 1979-10-05 | 1980-06-26 | Apparecchio per la determinazione soggettiva della rifrazione |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH646322A5 (it) |
DD (1) | DD153323A5 (it) |
FR (1) | FR2466232B1 (it) |
GB (1) | GB2059623B (it) |
IT (1) | IT1147758B (it) |
NL (1) | NL8005524A (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2152692A (en) * | 1983-12-16 | 1985-08-07 | Transport The Secretary Of Sta | Optometer having ring test image superimposable on an external view |
GB2152693A (en) * | 1983-12-16 | 1985-08-07 | Transport The Secretary Of Sta | Optometer with astigmatism measurement |
DD253763A1 (de) * | 1986-12-01 | 1988-02-03 | Zeiss Jena Veb Carl | Anordnung zur bestimmung des sphaerischen refraktionszustandes des auges |
US6350032B1 (en) | 2000-02-09 | 2002-02-26 | Titmus Optical, Inc. | Vision testing apparatus |
CN1172626C (zh) * | 2000-08-22 | 2004-10-27 | 贺际明 | 主观人眼象差测量方法及其测量装置 |
EP1357830A1 (en) * | 2001-02-07 | 2003-11-05 | Titmus Optical, Inc. | Vision testing apparatus |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1510114A (en) * | 1921-08-08 | 1924-09-30 | Thorner Walther | Apparatus for the objective determination of the refraction of the eye |
FR1040696A (fr) * | 1951-04-14 | 1953-10-16 | Procédé et appareil pour la détermination des amétropies de l'oeil | |
GB830141A (en) * | 1956-02-03 | 1960-03-09 | Harry Maurice Felix Asher | Improvements in instruments for testing vision |
CH461132A (de) * | 1966-10-07 | 1968-08-15 | Rodenstock Optik G | Einrichtung zur Messung des Astigmatismus |
DE1797071A1 (de) * | 1968-08-09 | 1971-07-01 | Zeiss Carl Fa | Geraet zur Augenglasbestimmung |
DE2815120A1 (de) * | 1978-04-07 | 1979-10-11 | Schwind Gmbh & Co Kg Herbert | Verfahren und vorrichtung zur augenrefraktionsbestimmung |
DE2817377C3 (de) * | 1978-04-20 | 1980-11-13 | Optische Werke G. Rodenstock, 8000 Muenchen | Gerät zur automatischen objektiven Augenrefraktion |
-
1980
- 1980-05-22 CH CH402180A patent/CH646322A5/de not_active IP Right Cessation
- 1980-06-26 IT IT67995/80A patent/IT1147758B/it active
- 1980-09-11 FR FR8019654A patent/FR2466232B1/fr not_active Expired
- 1980-09-16 GB GB8029859A patent/GB2059623B/en not_active Expired
- 1980-10-03 DD DD80224329A patent/DD153323A5/de unknown
- 1980-10-06 NL NL8005524A patent/NL8005524A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2466232A1 (fr) | 1981-04-10 |
DD153323A5 (de) | 1982-01-06 |
CH646322A5 (de) | 1984-11-30 |
GB2059623B (en) | 1983-09-14 |
FR2466232B1 (fr) | 1985-10-25 |
IT8067995A0 (it) | 1980-06-26 |
GB2059623A (en) | 1981-04-23 |
NL8005524A (nl) | 1981-04-07 |
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