DE2954201C2 - - Google Patents
Info
- Publication number
- DE2954201C2 DE2954201C2 DE2954201A DE2954201A DE2954201C2 DE 2954201 C2 DE2954201 C2 DE 2954201C2 DE 2954201 A DE2954201 A DE 2954201A DE 2954201 A DE2954201 A DE 2954201A DE 2954201 C2 DE2954201 C2 DE 2954201C2
- Authority
- DE
- Germany
- Prior art keywords
- eye
- light
- image
- angle
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 27
- 230000008859 change Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 description 6
- 210000004087 cornea Anatomy 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000001268 conjugating effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000002577 ophthalmoscopy Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
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 |
|---|---|---|---|
| JP4902578A JPS54141095A (en) | 1978-04-25 | 1978-04-25 | Ophthalmologic camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2954201C2 true DE2954201C2 (OSRAM) | 1989-06-22 |
Family
ID=12819558
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2954201A Expired DE2954201C2 (OSRAM) | 1978-04-25 | 1979-04-24 | |
| DE2916590A Expired DE2916590C2 (de) | 1978-04-25 | 1979-04-24 | Augenuntersuchungsgerät |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2916590A Expired DE2916590C2 (de) | 1978-04-25 | 1979-04-24 | Augenuntersuchungsgerät |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4439024A (OSRAM) |
| JP (1) | JPS54141095A (OSRAM) |
| DE (2) | DE2954201C2 (OSRAM) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147686A (en) * | 1978-05-10 | 1979-11-19 | Tokyo Optical | Lighting field iris adjusting device in eyeground camera |
| JPS56109640A (en) * | 1980-02-05 | 1981-08-31 | Olympus Optical Co | Eyeground camera with large working distance width |
| JPS56148337A (en) * | 1980-04-22 | 1981-11-17 | Olympus Optical Co | Eye bottom camera |
| JPS59174144A (ja) * | 1983-03-22 | 1984-10-02 | キヤノン株式会社 | 眼科撮影装置 |
| DE3339172A1 (de) * | 1983-10-28 | 1985-05-15 | Fa. Carl Zeiss, 7920 Heidenheim | Lichtfalle fuer augenuntersuchungsgeraete |
| JPS6238133A (ja) * | 1985-08-12 | 1987-02-19 | 株式会社トプコン | 眼底カメラ |
| JPH06100B2 (ja) * | 1987-03-31 | 1994-01-05 | 興和株式会社 | 眼科診断装置 |
| JP3017275B2 (ja) * | 1990-11-27 | 2000-03-06 | 株式会社トプコン | 眼底カメラ |
| JPH0531077A (ja) * | 1991-02-15 | 1993-02-09 | Toomee:Kk | 眼球観察装置 |
| CH688304A5 (de) * | 1993-01-28 | 1997-07-31 | Yves Prof Dr Robert | Ophthalmologisches Geraet. |
| US5658070A (en) * | 1994-10-27 | 1997-08-19 | Alcon Laboratories, Inc. | Method of varying luminous intensity of light in an illumination system |
| US6637882B1 (en) | 1998-11-24 | 2003-10-28 | Welch Allyn, Inc. | Eye viewing device for retinal viewing through undilated pupil |
| US6065837A (en) * | 1998-11-24 | 2000-05-23 | Welch Allyn Inc | Ophthalmoscope comprising defocused light source |
| EP1152687B1 (en) | 1998-11-24 | 2004-09-01 | Welch Allyn, Inc. | Eye viewing device for retinal viewing through undilated pupil |
| JP3660193B2 (ja) * | 2000-03-22 | 2005-06-15 | 株式会社ニデック | 眼底カメラ |
| JP4705252B2 (ja) * | 2001-02-06 | 2011-06-22 | 株式会社トプコン | 眼底カメラ |
| EP1694195B1 (en) * | 2003-10-28 | 2009-04-08 | Welch Allyn, Inc. | Digital documenting ophthalmoscope |
| US7174094B2 (en) * | 2005-02-07 | 2007-02-06 | Peter Norman Steinkamp | System and method for reflex-free coaxial illumination |
| CN100582915C (zh) * | 2006-12-06 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | 照相机 |
| JP4527124B2 (ja) * | 2007-01-15 | 2010-08-18 | 株式会社トプコン | 眼底カメラ |
| US7444057B2 (en) * | 2007-03-16 | 2008-10-28 | Alcon, Inc. | Variable-wedge rotating-disk beam attenuator for ophthalmic endoilluminator |
| US7499624B2 (en) * | 2007-03-16 | 2009-03-03 | Alcon, Inc. | Ophthalmic Endoilluminator with Variable-Wedge Rotating-Disk Beam Attenuator |
| WO2011156797A2 (en) * | 2010-06-10 | 2011-12-15 | Eye Photo Systems Incorporated | Eye image and video capture system and associated methods |
| TWI505957B (zh) * | 2010-07-20 | 2015-11-01 | Hon Hai Prec Ind Co Ltd | 汽車防盜系統及方法 |
| TW201207657A (en) * | 2010-08-04 | 2012-02-16 | Hon Hai Prec Ind Co Ltd | System and method for unlocking a mobile phone |
| US9301683B2 (en) * | 2010-12-13 | 2016-04-05 | University Of Virginia Patent Foundation | Intuitive techniques and apparatus for ophthalmic imaging |
| US8944596B2 (en) | 2011-11-09 | 2015-02-03 | Welch Allyn, Inc. | Digital-based medical devices |
| JP2013165818A (ja) * | 2012-02-15 | 2013-08-29 | Canon Inc | 眼科装置および眼科制御方法並びにプログラム |
| TWI629045B (zh) * | 2013-01-11 | 2018-07-11 | 晉弘科技股份有限公司 | 透鏡模組及眼底相機 |
| US10078226B2 (en) | 2013-10-14 | 2018-09-18 | Welch Allyn, Inc. | Portable eye viewing device enabled for enhanced field of view |
| US11147441B2 (en) | 2018-01-16 | 2021-10-19 | Welch Allyn, Inc. | Physical assessment device |
| JPWO2021246430A1 (OSRAM) | 2020-06-03 | 2021-12-09 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124249B2 (OSRAM) * | 1971-12-25 | 1976-07-22 | ||
| US4068932A (en) * | 1975-05-23 | 1978-01-17 | Canon Kabushiki Kaisha | Optical instrument for examining the eye fundus |
| US4102563A (en) * | 1975-12-01 | 1978-07-25 | Canon Kabushiki Kaisha | Eye fundus camera free from undesired reflected and diffused light beams |
-
1978
- 1978-04-25 JP JP4902578A patent/JPS54141095A/ja active Granted
-
1979
- 1979-04-23 US US06/032,683 patent/US4439024A/en not_active Expired - Lifetime
- 1979-04-24 DE DE2954201A patent/DE2954201C2/de not_active Expired
- 1979-04-24 DE DE2916590A patent/DE2916590C2/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| HEILMANN, Klaus. Ophthalmoskopie, 2.Aufl., Stuttgart, 1978, S.25 u. 35-41 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54141095A (en) | 1979-11-01 |
| DE2916590C2 (de) | 1983-06-30 |
| US4439024A (en) | 1984-03-27 |
| DE2916590A1 (de) | 1979-11-08 |
| JPS6144499B2 (OSRAM) | 1986-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| Q172 | Divided out of (supplement): |
Ref country code: DE Ref document number: 2916590 |
|
| 8181 | Inventor (new situation) |
Free format text: ITO, YUJI, CHIGASAKI, KANAGAWA, JP |
|
| 8110 | Request for examination paragraph 44 | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 2916590 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |