CA996792A - Internal reading device for ophthalmological instruments - Google Patents
Internal reading device for ophthalmological instrumentsInfo
- Publication number
- CA996792A CA996792A CA160,225A CA160225A CA996792A CA 996792 A CA996792 A CA 996792A CA 160225 A CA160225 A CA 160225A CA 996792 A CA996792 A CA 996792A
- Authority
- CA
- Canada
- Prior art keywords
- reading device
- internal reading
- ophthalmological instruments
- ophthalmological
- instruments
- 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
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
- A61B3/0016—Operational features thereof
- A61B3/0066—Operational features thereof with identification means for the apparatus
-
- 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
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 |
---|---|---|---|
DE19722218672 DE2218672C3 (de) | 1972-04-18 | Ophthalmoskop |
Publications (1)
Publication Number | Publication Date |
---|---|
CA996792A true CA996792A (en) | 1976-09-14 |
Family
ID=5842304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA160,225A Expired CA996792A (en) | 1972-04-18 | 1972-12-29 | Internal reading device for ophthalmological instruments |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4920989A (ja) |
CA (1) | CA996792A (ja) |
FR (1) | FR2181271A5 (ja) |
GB (1) | GB1417775A (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2460088B2 (de) * | 1974-12-19 | 1977-05-05 | Optische Werke G. Rodenstock, 8000 München | Mehrfachlichtquelle fuer optische beobachtungsgeraete mit objekt- und umfeldbeleuchtung und fotozusatz |
JPS5244647A (en) * | 1975-10-06 | 1977-04-07 | Nippon Telegr & Teleph Corp <Ntt> | Recording device by means of the photo-conductive electrode for the te rhmal paper |
JPS5270455U (ja) * | 1975-11-20 | 1977-05-25 | ||
JPS59164057A (ja) * | 1983-03-07 | 1984-09-17 | キヤノン株式会社 | 眼科用顕微鏡 |
US4998818A (en) * | 1989-08-23 | 1991-03-12 | Welch Allyn, Inc. | Ophthalmoscope with linear polarizer |
JP2006296806A (ja) * | 2005-04-21 | 2006-11-02 | Topcon Corp | 手術用顕微鏡装置 |
WO2011133626A1 (en) * | 2010-04-21 | 2011-10-27 | Sims Clinton N | Device and method for calibrating retinoscopes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE559952C (de) * | 1932-09-26 | Emil Busch Akt Ges | Tonometer | |
JPS4422912Y1 (ja) * | 1964-11-12 | 1969-09-27 |
-
1972
- 1972-10-16 FR FR7236517A patent/FR2181271A5/fr not_active Expired
- 1972-11-08 JP JP47111293A patent/JPS4920989A/ja active Pending
- 1972-12-29 CA CA160,225A patent/CA996792A/en not_active Expired
-
1973
- 1973-03-15 GB GB1259173A patent/GB1417775A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1417775A (en) | 1975-12-17 |
JPS4920989A (ja) | 1974-02-23 |
DE2218672B2 (de) | 1976-12-23 |
DE2218672A1 (de) | 1973-10-25 |
FR2181271A5 (ja) | 1973-11-30 |
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