JPH0212572B2 - - Google Patents
Info
- Publication number
- JPH0212572B2 JPH0212572B2 JP57159427A JP15942782A JPH0212572B2 JP H0212572 B2 JPH0212572 B2 JP H0212572B2 JP 57159427 A JP57159427 A JP 57159427A JP 15942782 A JP15942782 A JP 15942782A JP H0212572 B2 JPH0212572 B2 JP H0212572B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shaped aperture
- angle
- eye
- fundus
- 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 - Lifetime
Links
- 238000005286 illumination Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 17
- 210000004087 cornea Anatomy 0.000 claims description 4
- 210000000695 crystalline len Anatomy 0.000 description 30
- 238000003384 imaging method Methods 0.000 description 9
- 210000001747 pupil Anatomy 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 230000002911 mydriatic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000006550 Mydriasis Diseases 0.000 description 1
- 210000002159 anterior chamber Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
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
- A61B3/14—Arrangements specially adapted for eye photography
- A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
- A61B3/156—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking
-
- 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
- A61B3/14—Arrangements specially adapted for eye photography
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57159427A JPS5949737A (ja) | 1982-09-16 | 1982-09-16 | 眼底カメラの照明装置 |
US06/532,995 US4558932A (en) | 1982-09-16 | 1983-09-16 | Variable image magnification eye fundus camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57159427A JPS5949737A (ja) | 1982-09-16 | 1982-09-16 | 眼底カメラの照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5949737A JPS5949737A (ja) | 1984-03-22 |
JPH0212572B2 true JPH0212572B2 (US06368395-20020409-C00050.png) | 1990-03-22 |
Family
ID=15693502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57159427A Granted JPS5949737A (ja) | 1982-09-16 | 1982-09-16 | 眼底カメラの照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4558932A (US06368395-20020409-C00050.png) |
JP (1) | JPS5949737A (US06368395-20020409-C00050.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03130979U (US06368395-20020409-C00050.png) * | 1990-04-18 | 1991-12-27 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59174144A (ja) * | 1983-03-22 | 1984-10-02 | キヤノン株式会社 | 眼科撮影装置 |
JP2855271B2 (ja) * | 1987-06-30 | 1999-02-10 | 株式会社トプコン | 照明・観察光学装置 |
JPH02299630A (ja) * | 1989-05-15 | 1990-12-11 | Topcon Corp | 眼底カメラ |
US5713047A (en) * | 1992-06-08 | 1998-01-27 | Canon Kabushiki Kaisha | Eye fundus photographing apparatus |
JP3241454B2 (ja) * | 1992-09-03 | 2001-12-25 | キヤノン株式会社 | 眼底撮影装置 |
DE19744131B4 (de) * | 1996-10-01 | 2006-06-01 | Kabushiki Kaisha Topcon | Ophthalmologische Kamera |
CA2285269A1 (en) * | 1997-04-01 | 1998-10-08 | Ran Zeimer | A system for imaging an ocular fundus semi-automatically at high resolution and wide field |
JP3905312B2 (ja) | 1998-11-24 | 2007-04-18 | ウェルチ・アリン・インコーポレーテッド | 未拡張瞳孔を通した網膜視用目視装置 |
US6637882B1 (en) | 1998-11-24 | 2003-10-28 | Welch Allyn, Inc. | Eye viewing device for retinal viewing through undilated pupil |
JP4231146B2 (ja) * | 1999-04-05 | 2009-02-25 | 株式会社トプコン | 眼底カメラ |
WO2001060241A1 (en) * | 2000-02-15 | 2001-08-23 | Ian Marshall | Ophthalmoscope with multiple interchangeable groups of optical components |
JP2002224038A (ja) * | 2001-01-31 | 2002-08-13 | Nidek Co Ltd | 眼底カメラ |
WO2005044098A1 (en) | 2003-10-28 | 2005-05-19 | Welch Allyn, Inc. | Digital documenting ophthalmoscope |
JP4566654B2 (ja) * | 2004-08-18 | 2010-10-20 | 株式会社トプコン | 眼科撮影装置 |
WO2006026666A2 (en) * | 2004-08-31 | 2006-03-09 | Synergeyes, Inc. | Multipurpose optical imaging devices |
US7360896B2 (en) * | 2005-10-11 | 2008-04-22 | Carestream Health, Inc. | Fundus camera for wide field of view and small pupil |
CN102824157A (zh) * | 2012-09-03 | 2012-12-19 | 苏州捷美医疗器械有限公司 | 检影镜 |
CN111166283A (zh) * | 2019-12-24 | 2020-05-19 | 深圳盛达同泽科技有限公司 | 一种眼底拍摄系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5412195A (en) * | 1977-06-30 | 1979-01-29 | Canon Kk | Ophthalmologic device for correcting amount of light according to variable multiplication |
JPS56104638A (en) * | 1980-01-25 | 1981-08-20 | Canon Kk | Eyeground camera |
JPS56143138A (en) * | 1980-04-04 | 1981-11-07 | Canon Kk | Eye bottom camera |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4068932A (en) * | 1975-05-23 | 1978-01-17 | Canon Kabushiki Kaisha | Optical instrument for examining the eye fundus |
US4265518A (en) * | 1977-06-30 | 1981-05-05 | Canon Kabushiki Kaisha | Variable magnification apparatus having illumination compensating ability |
JPS54108623A (en) * | 1978-02-14 | 1979-08-25 | Olympus Optical Co Ltd | Non-mydriasis retinal camera |
-
1982
- 1982-09-16 JP JP57159427A patent/JPS5949737A/ja active Granted
-
1983
- 1983-09-16 US US06/532,995 patent/US4558932A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5412195A (en) * | 1977-06-30 | 1979-01-29 | Canon Kk | Ophthalmologic device for correcting amount of light according to variable multiplication |
JPS56104638A (en) * | 1980-01-25 | 1981-08-20 | Canon Kk | Eyeground camera |
JPS56143138A (en) * | 1980-04-04 | 1981-11-07 | Canon Kk | Eye bottom camera |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03130979U (US06368395-20020409-C00050.png) * | 1990-04-18 | 1991-12-27 |
Also Published As
Publication number | Publication date |
---|---|
US4558932A (en) | 1985-12-17 |
JPS5949737A (ja) | 1984-03-22 |
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