JPH0412450B2 - - Google Patents
Info
- Publication number
- JPH0412450B2 JPH0412450B2 JP58124491A JP12449183A JPH0412450B2 JP H0412450 B2 JPH0412450 B2 JP H0412450B2 JP 58124491 A JP58124491 A JP 58124491A JP 12449183 A JP12449183 A JP 12449183A JP H0412450 B2 JPH0412450 B2 JP H0412450B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- objective lens
- eye
- curvature
- front lens
- 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
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)
- Lenses (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58124491A JPS6017416A (ja) | 1983-07-08 | 1983-07-08 | 眼底カメラの広角化前置レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58124491A JPS6017416A (ja) | 1983-07-08 | 1983-07-08 | 眼底カメラの広角化前置レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6017416A JPS6017416A (ja) | 1985-01-29 |
JPH0412450B2 true JPH0412450B2 (enrdf_load_stackoverflow) | 1992-03-04 |
Family
ID=14886814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58124491A Granted JPS6017416A (ja) | 1983-07-08 | 1983-07-08 | 眼底カメラの広角化前置レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6017416A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114271782A (zh) * | 2021-11-30 | 2022-04-05 | 视微影像(河南)科技有限公司 | 一种可切换成广角/超广角的眼底成像目镜 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52141094A (en) * | 1976-05-19 | 1977-11-25 | Canon Kk | Dental wide angle objective lens |
JPS5430695A (en) * | 1977-08-09 | 1979-03-07 | Canon Kk | Variable angular ophthalmologic device |
-
1983
- 1983-07-08 JP JP58124491A patent/JPS6017416A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6017416A (ja) | 1985-01-29 |