CH619853A5 - - Google Patents
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- Publication number
- CH619853A5 CH619853A5 CH17578A CH17578A CH619853A5 CH 619853 A5 CH619853 A5 CH 619853A5 CH 17578 A CH17578 A CH 17578A CH 17578 A CH17578 A CH 17578A CH 619853 A5 CH619853 A5 CH 619853A5
- Authority
- CH
- Switzerland
- Prior art keywords
- lens
- optical system
- imaging
- ophthalmic
- test mark
- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- 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
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 |
---|---|---|---|
DE2703723A DE2703723C3 (de) | 1977-01-29 | 1977-01-29 | Optisches System zur Beleuchtung des Augenhintergrundes und zur Abbildung von Testmarken auf demselben |
Publications (1)
Publication Number | Publication Date |
---|---|
CH619853A5 true CH619853A5 (fr) | 1980-10-31 |
Family
ID=5999881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH17578A CH619853A5 (fr) | 1977-01-29 | 1978-01-09 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4272165A (fr) |
JP (1) | JPS5394491A (fr) |
CH (1) | CH619853A5 (fr) |
DE (1) | DE2703723C3 (fr) |
FR (1) | FR2378495A1 (fr) |
GB (1) | GB1600542A (fr) |
IT (1) | IT1093086B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595702U (fr) * | 1978-12-27 | 1980-07-03 | ||
JPS56106640A (en) * | 1980-01-30 | 1981-08-25 | Asahi Optical Co Ltd | Measuring device for error of eye refraction |
US4552440A (en) * | 1983-10-12 | 1985-11-12 | Guyton D L | Apparatus for determination of potential visual acuity utilizing a slit lamp microscope |
US5751395A (en) * | 1997-01-10 | 1998-05-12 | Thall; Edmond H. | Retinal diagnostic device |
GB2353868B (en) * | 1999-08-28 | 2002-06-26 | Keeler Ltd | Retinoscope with movable focusing means |
DE20306542U1 (de) * | 2003-04-25 | 2003-08-28 | Oculus Optikgeräte GmbH, 35582 Wetzlar | Vorrichtung zur Projektion eines Lichtstrahls |
EP2607847B1 (fr) | 2011-12-19 | 2017-02-01 | Kabushiki Kaisha TOPCON | Appareil de détection d'angle de rotation et instrument d'arpentage |
JP6055179B2 (ja) * | 2011-12-19 | 2016-12-27 | 株式会社トプコン | 回転角検出装置及び測量装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB297652A (en) * | 1928-04-04 | 1928-09-27 | Arthur Wilson | An ophthalmoscope, with monochromatic and red free light, with a varying aperture, a luminous plane and concave retinoscope, and a hand slit lamp |
US2107305A (en) * | 1934-03-02 | 1938-02-08 | Dartmouth College | Adjustable lens system |
GB676843A (en) * | 1949-08-05 | 1952-08-06 | Zeiss Opton Optische Werke | Ophthalmoscope |
GB893602A (en) * | 1957-06-26 | 1962-04-11 | Yasuyuki Sata | Improvements in or relating to ophthalmic photography |
DE1956461U (de) * | 1966-12-19 | 1967-03-02 | Rud Riester Fabrik Medizinisch | Ophthalmoskop. |
DE1286781B (de) * | 1967-08-02 | 1969-01-09 | Zeiss Stiftung | Spaltlampe zur Augenuntersuchung |
CH485459A (de) * | 1967-08-02 | 1970-02-15 | Zeiss Carl Fa | Spaltlampe zur Augenuntersuchung |
CH477007A (de) * | 1967-10-27 | 1969-08-15 | Zeiss Carl Fa | Spaltlampengerät mit veränderlichem vertikalen Einstrahlwinkel |
US3487835A (en) * | 1968-07-05 | 1970-01-06 | American Optical Corp | Surgical laser photo-coagulation device |
US3524702A (en) * | 1968-09-06 | 1970-08-18 | John G Bellows | Apparatus for objectively and automatically refracting the eye |
US3572910A (en) * | 1969-03-24 | 1971-03-30 | American Optical Corp | Apparatus for measuring the refractive errors of an eye |
DE1954624A1 (de) * | 1969-10-30 | 1971-05-06 | Weyhausen & Co Maschinenfabrik | Vorrichtung zum waagerechten Heben und Absetzen von Behaeltern und Paletten,insbesondere Containern,vorzugsweise zum Anbau oder Mitfuehren an Transportfahrzeugen |
US3600098A (en) * | 1969-12-29 | 1971-08-17 | Bausch & Lomb | Optical alignment method and apparatus |
DE2218681A1 (de) * | 1972-04-18 | 1973-10-25 | Heine Optotech Kg | Ophthalmoskop |
US3880501A (en) * | 1973-04-16 | 1975-04-29 | Tropel | Optical system for objective refractor for the eye |
FR2228461B1 (fr) * | 1973-05-09 | 1978-01-13 | Tropel |
-
1977
- 1977-01-29 DE DE2703723A patent/DE2703723C3/de not_active Expired
- 1977-12-23 IT IT52358/77A patent/IT1093086B/it active
-
1978
- 1978-01-09 CH CH17578A patent/CH619853A5/de not_active IP Right Cessation
- 1978-01-10 US US05/868,460 patent/US4272165A/en not_active Expired - Lifetime
- 1978-01-23 GB GB2590/78A patent/GB1600542A/en not_active Expired
- 1978-01-27 FR FR7802307A patent/FR2378495A1/fr active Granted
- 1978-01-30 JP JP921778A patent/JPS5394491A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1600542A (en) | 1981-10-21 |
US4272165A (en) | 1981-06-09 |
IT1093086B (it) | 1985-07-19 |
DE2703723A1 (de) | 1978-08-03 |
DE2703723C3 (de) | 1986-05-07 |
FR2378495B1 (fr) | 1983-07-18 |
JPS5394491A (en) | 1978-08-18 |
FR2378495A1 (fr) | 1978-08-25 |
DE2703723B2 (de) | 1981-02-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |