JPS542519B2 - - Google Patents
Info
- Publication number
- JPS542519B2 JPS542519B2 JP5168674A JP5168674A JPS542519B2 JP S542519 B2 JPS542519 B2 JP S542519B2 JP 5168674 A JP5168674 A JP 5168674A JP 5168674 A JP5168674 A JP 5168674A JP S542519 B2 JPS542519 B2 JP S542519B2
- Authority
- JP
- Japan
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35870273A | 1973-05-09 | 1973-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5015388A JPS5015388A (it) | 1975-02-18 |
| JPS542519B2 true JPS542519B2 (it) | 1979-02-08 |
Family
ID=23410694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5168674A Expired JPS542519B2 (it) | 1973-05-09 | 1974-05-09 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS542519B2 (it) |
| DE (1) | DE2422491C2 (it) |
| FR (1) | FR2228461B1 (it) |
| GB (1) | GB1456061A (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703723C3 (de) * | 1977-01-29 | 1986-05-07 | Fa. Carl Zeiss, 7920 Heidenheim | Optisches System zur Beleuchtung des Augenhintergrundes und zur Abbildung von Testmarken auf demselben |
| US4180323A (en) * | 1977-09-30 | 1979-12-25 | American Optical Corporation | Alignment system and ophthalmic instrument incorporating the same |
| JPS5542624A (en) * | 1978-09-20 | 1980-03-26 | Canon Kk | Automatic eye refraction measuring system |
| JPS56813U (it) * | 1979-06-18 | 1981-01-07 | ||
| JPS565636A (en) * | 1979-06-27 | 1981-01-21 | Canon Kk | Automatic eye refraction meter |
| JPS56161032A (en) * | 1980-05-16 | 1981-12-11 | Canon Kk | Automatic eye refraction meter |
| FR2486795A1 (fr) * | 1980-07-21 | 1982-01-22 | France Etat | Refractometre objectif assiste par microprocesseur |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3524702A (en) * | 1968-09-06 | 1970-08-18 | John G Bellows | Apparatus for objectively and automatically refracting the eye |
-
1974
- 1974-05-08 FR FR7415962A patent/FR2228461B1/fr not_active Expired
- 1974-05-09 GB GB2044674A patent/GB1456061A/en not_active Expired
- 1974-05-09 JP JP5168674A patent/JPS542519B2/ja not_active Expired
- 1974-05-09 DE DE19742422491 patent/DE2422491C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1456061A (en) | 1976-11-17 |
| JPS5015388A (it) | 1975-02-18 |
| DE2422491A1 (de) | 1974-11-28 |
| FR2228461B1 (it) | 1978-01-13 |
| DE2422491C2 (de) | 1984-09-27 |
| FR2228461A1 (it) | 1974-12-06 |