JPS5134591A - - Google Patents
Info
- Publication number
- JPS5134591A JPS5134591A JP50086240A JP8624075A JPS5134591A JP S5134591 A JPS5134591 A JP S5134591A JP 50086240 A JP50086240 A JP 50086240A JP 8624075 A JP8624075 A JP 8624075A JP S5134591 A JPS5134591 A JP S5134591A
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
-
- 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
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/489,149 US4046463A (en) | 1974-07-17 | 1974-07-17 | Indicating an asphericity of the cornea of an eye |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5134591A true JPS5134591A (ja) | 1976-03-24 |
Family
ID=23942616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50086240A Pending JPS5134591A (ja) | 1974-07-17 | 1975-07-16 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4046463A (ja) |
JP (1) | JPS5134591A (ja) |
CA (1) | CA1032385A (ja) |
DE (1) | DE2530085A1 (ja) |
FR (1) | FR2279068A1 (ja) |
GB (1) | GB1511325A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5666235A (en) * | 1979-11-02 | 1981-06-04 | Canon Kk | Cornea meter |
JPS59214427A (ja) * | 1983-05-23 | 1984-12-04 | キヤノン株式会社 | 角膜形状測定装置 |
JPS61103101U (ja) * | 1984-12-13 | 1986-07-01 | ||
JP2015502765A (ja) * | 2011-09-23 | 2015-01-29 | ヴォスアメッド ゲーエムベーハー アンド カンパニー カーゲー | 人工レンズの配向を検知するための光学的な配置および方法 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2641004C2 (de) * | 1976-09-11 | 1981-12-17 | Battelle-Institut E.V., 6000 Frankfurt | Vorrichtung zur Messung der Hornhautkrümmung |
DE2643344A1 (de) * | 1976-09-25 | 1978-03-30 | Zeiss Carl Fa | Vorrichtung zur ermittlung von hornhautastigmatismus am menschlichen auge |
US4157859A (en) * | 1977-05-26 | 1979-06-12 | Clifford Terry | Surgical microscope system |
FR2425229A1 (fr) * | 1978-05-10 | 1979-12-07 | Gambs Paul | Procede de mesure ophtalmometrique du rayon de courbure de la cornee de l'oeil d'un individu et dispositif pour sa mise en oeuvre |
US4256385A (en) * | 1979-02-22 | 1981-03-17 | Velotron Machine Corp. | Cornea-examining instrument |
US4355871A (en) * | 1980-07-14 | 1982-10-26 | Diversitronics, Inc. | Keratometer |
US4375320A (en) * | 1980-09-05 | 1983-03-01 | Smirmaul Heinz J | Dual image corneal radius measurement |
US4439025A (en) * | 1981-08-13 | 1984-03-27 | Smirmaul Heinz J | Variable circular dual image corneal radius measurement instrument |
JPS5875531A (ja) * | 1981-10-28 | 1983-05-07 | 株式会社トプコン | 曲率測定装置 |
US4666269A (en) * | 1982-08-09 | 1987-05-19 | Canon Kabushiki Kaisha | Ophthalmologic apparatus |
DE3240760A1 (de) * | 1982-11-04 | 1984-05-10 | Moskovskij naučno-issledovatel'skij institut glaznych boleznej imeni Gel'mgol'ca, Moskva | Verfahren zum auswaehlen einer kontaktschale zur korrektur des sehvermoegens |
US4523842A (en) * | 1983-03-18 | 1985-06-18 | The United States Of America As Represented By The Secretary Of The Navy | Asperic surface test fixture |
FR2550082B1 (fr) * | 1983-08-05 | 1986-03-28 | Essilor Int | Source lumineuse pour appareil de mesure des parametres oculaires d'un sujet |
WO1985000740A1 (en) * | 1983-08-11 | 1985-02-28 | Selig Percy Amoils | Method and apparatus for use in ocular surgery |
US4699481A (en) * | 1984-09-01 | 1987-10-13 | Canon Kabushiki Kaisha | Stereoscopic microscope |
FR2581307B1 (fr) * | 1985-05-03 | 1990-04-27 | Vincent Patrice | Procede de mesure de l'astigmatisme corneen et son application a un keratoscope |
US4807989A (en) * | 1986-01-14 | 1989-02-28 | Olympus Optical Co., Ltd. | Surgical microscope system |
CA1296804C (en) * | 1986-05-05 | 1992-03-03 | Vladimir Portnoy | Ocular topology system |
US4838682A (en) * | 1986-05-05 | 1989-06-13 | Allergan, Inc. | Ocular topology system |
JPH024641Y2 (ja) * | 1986-07-22 | 1990-02-05 | ||
US4779973A (en) * | 1986-11-06 | 1988-10-25 | David Miller | Photokeratometric device |
US4824228A (en) * | 1986-11-28 | 1989-04-25 | Hughes Aircraft Company | Stereomicroscopic inspection system with low eyestrain features |
US4964715A (en) * | 1987-02-17 | 1990-10-23 | Richards William D | Comparative surgical keratometer |
JP2533189Y2 (ja) * | 1990-11-07 | 1997-04-23 | 株式会社モリテツクス | 照明系を組込んだズームレンズ |
GB2322944B (en) * | 1998-04-24 | 1999-02-10 | Keymed | A borescope |
CH699886A1 (de) * | 2008-11-08 | 2010-05-14 | Leica Instr Singapore Pte Ltd | Ophthalmomikroskop. |
US20120310141A1 (en) * | 2011-05-06 | 2012-12-06 | Kornfield Julia A | Light delivery device and related compositions, methods and systems |
CN102715886B (zh) * | 2012-06-21 | 2014-08-06 | 宁波明星科技发展有限公司 | 一种电脑验光仪的角膜曲率计算方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127113A (en) * | 1964-03-31 | Photographic flash tube and reflector | ||
US3248162A (en) * | 1966-04-26 | Photokera ixoscolxe wit with reflecting rings in cylindrigal cage structure | ||
US3264932A (en) * | 1964-05-27 | 1966-08-09 | Charles E Hendricks | Method and device for presenting a visual comparison of two different curved surfaces |
US3542458A (en) * | 1968-03-05 | 1970-11-24 | David Volk | Method for measurement of the shape and curvature of a cornea |
US3590232A (en) * | 1968-03-27 | 1971-06-29 | Radioptics Inc | Annular illuminator for dental tools or the like |
-
1974
- 1974-07-17 US US05/489,149 patent/US4046463A/en not_active Expired - Lifetime
-
1975
- 1975-07-05 DE DE19752530085 patent/DE2530085A1/de active Pending
- 1975-07-16 CA CA231,601A patent/CA1032385A/en not_active Expired
- 1975-07-16 JP JP50086240A patent/JPS5134591A/ja active Pending
- 1975-07-16 FR FR7522267A patent/FR2279068A1/fr not_active Withdrawn
- 1975-07-16 GB GB29750/75A patent/GB1511325A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5666235A (en) * | 1979-11-02 | 1981-06-04 | Canon Kk | Cornea meter |
JPS6232934B2 (ja) * | 1979-11-02 | 1987-07-17 | Canon Kk | |
JPS59214427A (ja) * | 1983-05-23 | 1984-12-04 | キヤノン株式会社 | 角膜形状測定装置 |
JPS6322822B2 (ja) * | 1983-05-23 | 1988-05-13 | Canon Kk | |
JPS61103101U (ja) * | 1984-12-13 | 1986-07-01 | ||
JP2015502765A (ja) * | 2011-09-23 | 2015-01-29 | ヴォスアメッド ゲーエムベーハー アンド カンパニー カーゲー | 人工レンズの配向を検知するための光学的な配置および方法 |
US9642526B2 (en) | 2011-09-23 | 2017-05-09 | Vossamed Gmbh & Co. Kg | Optical arrangement and method for ascertaining the orientation of an artificial lens |
Also Published As
Publication number | Publication date |
---|---|
DE2530085A1 (de) | 1976-01-29 |
US4046463A (en) | 1977-09-06 |
FR2279068A1 (fr) | 1976-02-13 |
GB1511325A (en) | 1978-05-17 |
CA1032385A (en) | 1978-06-06 |