JP2522980Y2 - 検眼レンズ - Google Patents
検眼レンズInfo
- Publication number
- JP2522980Y2 JP2522980Y2 JP1990063427U JP6342790U JP2522980Y2 JP 2522980 Y2 JP2522980 Y2 JP 2522980Y2 JP 1990063427 U JP1990063427 U JP 1990063427U JP 6342790 U JP6342790 U JP 6342790U JP 2522980 Y2 JP2522980 Y2 JP 2522980Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- frame
- distance
- optometry
- test
- 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
- 230000000750 progressive effect Effects 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000012360 testing method Methods 0.000 description 48
- 210000001508 eye Anatomy 0.000 description 17
- 238000013461 design Methods 0.000 description 9
- 208000001491 myopia Diseases 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004438 eyesight Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 230000008859 change 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
- 239000011521 glass Substances 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Eyeglasses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990063427U JP2522980Y2 (ja) | 1990-06-15 | 1990-06-15 | 検眼レンズ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990063427U JP2522980Y2 (ja) | 1990-06-15 | 1990-06-15 | 検眼レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0422903U JPH0422903U (enrdf_load_stackoverflow) | 1992-02-25 |
| JP2522980Y2 true JP2522980Y2 (ja) | 1997-01-22 |
Family
ID=31593468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990063427U Expired - Lifetime JP2522980Y2 (ja) | 1990-06-15 | 1990-06-15 | 検眼レンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522980Y2 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04250604A (ja) * | 1991-01-25 | 1992-09-07 | Toshiba Corp | 変圧器鉄心 |
| JP2602426Y2 (ja) * | 1991-01-30 | 2000-01-17 | 孝之 鉄井 | ３８▲ｍｍ▼径検眼メガネ用枠付テストレンズ |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60140316A (ja) * | 1983-12-28 | 1985-07-25 | Tokyo Kuroobaa Kk | 検眼用テストフレーム用テストレンズ |
-
1990
- 1990-06-15 JP JP1990063427U patent/JP2522980Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0422903U (enrdf_load_stackoverflow) | 1992-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |