JPH0430856B2 - - Google Patents
Info
- Publication number
- JPH0430856B2 JPH0430856B2 JP62046349A JP4634987A JPH0430856B2 JP H0430856 B2 JPH0430856 B2 JP H0430856B2 JP 62046349 A JP62046349 A JP 62046349A JP 4634987 A JP4634987 A JP 4634987A JP H0430856 B2 JPH0430856 B2 JP H0430856B2
- Authority
- JP
- Japan
- Prior art keywords
- slit
- light beam
- illumination device
- eye
- angle
- 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 26
- 230000003287 optical effect Effects 0.000 claims description 22
- 210000000695 crystalline len Anatomy 0.000 description 24
- 230000004907 flux Effects 0.000 description 22
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 210000004087 cornea Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000002159 anterior chamber Anatomy 0.000 description 2
- 210000004240 ciliary body Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 241000276498 Pollachius virens Species 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000004127 vitreous body Anatomy 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
- A61B3/13—Ophthalmic microscopes
- A61B3/135—Slit-lamp microscopes
-
- 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
- A61B3/125—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 with contact lenses
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 |
---|---|---|---|
JP62046349A JPS63212320A (ja) | 1987-02-28 | 1987-02-28 | 眼科用スリット照明装置 |
US07/430,896 US5018851A (en) | 1987-02-28 | 1989-10-31 | Slit illuminating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62046349A JPS63212320A (ja) | 1987-02-28 | 1987-02-28 | 眼科用スリット照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63212320A JPS63212320A (ja) | 1988-09-05 |
JPH0430856B2 true JPH0430856B2 (en]) | 1992-05-22 |
Family
ID=12744668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62046349A Granted JPS63212320A (ja) | 1987-02-28 | 1987-02-28 | 眼科用スリット照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5018851A (en]) |
JP (1) | JPS63212320A (en]) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2283828A (en) * | 1993-11-10 | 1995-05-17 | Marcher Enterprises Limited | Optical fundus illuminator having single source and several light paths |
US5731894A (en) * | 1995-12-19 | 1998-03-24 | Gross; Leo | Multi-purpose microscope objective |
JPH10165372A (ja) * | 1996-12-10 | 1998-06-23 | Canon Inc | 立体映像装置 |
US6050688A (en) | 1998-10-15 | 2000-04-18 | Grinblat; Avi | Slit lamp with auxilliary lamp producing line of light, aspheric lens holder and inverter |
WO2000042901A1 (de) * | 1999-01-22 | 2000-07-27 | Haag-Streit Ag | Ophthalmologisches gerät mit einem beleuchtungs- und/oder strahlenbehandlungsstrahl, dessen flächige intensitätsverteilung einstellbar ist, sowie anordnung mit diesem gerät zur augenbehandlung |
US6801913B2 (en) * | 2000-10-20 | 2004-10-05 | Canon Kabushiki Kaisha | Medical instrument control system |
US6702441B2 (en) | 2001-10-17 | 2004-03-09 | Canon Kabushiki Kaisha | Ophthalmic measuring device |
DE10250569A1 (de) * | 2002-10-28 | 2004-05-13 | Carl Zeiss Meditec Ag | Ophthalmologisches Gerät und Verfahren zur Gerätepositionierung |
US7338167B2 (en) * | 2003-12-10 | 2008-03-04 | Joslin Diabetes Center, Inc. | Retinal imaging system |
JP4541084B2 (ja) * | 2004-09-22 | 2010-09-08 | 賢治 柏木 | 眼科用検査装置 |
JP4652929B2 (ja) * | 2005-08-18 | 2011-03-16 | 船井電機株式会社 | インクジェットプリンタ |
JP7439552B2 (ja) * | 2020-02-06 | 2024-02-28 | 株式会社ニコン | 水晶体撮影装置、水晶体撮影方法、及び水晶体撮影プログラム |
US11662527B2 (en) * | 2020-03-19 | 2023-05-30 | Google Llc | Secondary grid plates for optical switching applications |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4293198A (en) * | 1977-09-21 | 1981-10-06 | Canon Kabushiki Kaisha | Eye refractometer |
-
1987
- 1987-02-28 JP JP62046349A patent/JPS63212320A/ja active Granted
-
1989
- 1989-10-31 US US07/430,896 patent/US5018851A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5018851A (en) | 1991-05-28 |
JPS63212320A (ja) | 1988-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |