JPS6238644Y2 - - Google Patents
Info
- Publication number
- JPS6238644Y2 JPS6238644Y2 JP1982122054U JP12205482U JPS6238644Y2 JP S6238644 Y2 JPS6238644 Y2 JP S6238644Y2 JP 1982122054 U JP1982122054 U JP 1982122054U JP 12205482 U JP12205482 U JP 12205482U JP S6238644 Y2 JPS6238644 Y2 JP S6238644Y2
- Authority
- JP
- Japan
- Prior art keywords
- distance
- eyepiece
- subject
- fixation target
- eye
- 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 17
- 210000001747 pupil Anatomy 0.000 claims description 16
- 230000001179 pupillary effect Effects 0.000 claims description 15
- 208000001491 myopia Diseases 0.000 claims description 12
- 238000005259 measurement Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000002350 accommodative effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Landscapes
- Eye Examination Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12205482U JPS5926603U (ja) | 1982-08-11 | 1982-08-11 | 瞳孔間距離計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12205482U JPS5926603U (ja) | 1982-08-11 | 1982-08-11 | 瞳孔間距離計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5926603U JPS5926603U (ja) | 1984-02-18 |
JPS6238644Y2 true JPS6238644Y2 (fr) | 1987-10-02 |
Family
ID=30279126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12205482U Granted JPS5926603U (ja) | 1982-08-11 | 1982-08-11 | 瞳孔間距離計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5926603U (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6258668A (ja) * | 1985-09-09 | 1987-03-14 | Omron Tateisi Electronics Co | 半導体装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495897A (en) * | 1966-08-04 | 1970-02-17 | Temkine & Cie Lunetiers | Device for measuring the pupillary distance |
-
1982
- 1982-08-11 JP JP12205482U patent/JPS5926603U/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495897A (en) * | 1966-08-04 | 1970-02-17 | Temkine & Cie Lunetiers | Device for measuring the pupillary distance |
Also Published As
Publication number | Publication date |
---|---|
JPS5926603U (ja) | 1984-02-18 |
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