JPH0214019Y2 - - Google Patents
Info
- Publication number
- JPH0214019Y2 JPH0214019Y2 JP14052885U JP14052885U JPH0214019Y2 JP H0214019 Y2 JPH0214019 Y2 JP H0214019Y2 JP 14052885 U JP14052885 U JP 14052885U JP 14052885 U JP14052885 U JP 14052885U JP H0214019 Y2 JPH0214019 Y2 JP H0214019Y2
- Authority
- JP
- Japan
- Prior art keywords
- lenses
- optical axis
- convex
- lens
- convex 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
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 201000010041 presbyopia Diseases 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 12
- 210000001747 pupil Anatomy 0.000 description 9
- 230000000007 visual effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 230000001179 pupillary effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Landscapes
- Eyeglasses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14052885U JPH0214019Y2 (en]) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14052885U JPH0214019Y2 (en]) | 1985-09-12 | 1985-09-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6249126U JPS6249126U (en]) | 1987-03-26 |
| JPH0214019Y2 true JPH0214019Y2 (en]) | 1990-04-17 |
Family
ID=31047457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14052885U Expired JPH0214019Y2 (en]) | 1985-09-12 | 1985-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214019Y2 (en]) |
-
1985
- 1985-09-12 JP JP14052885U patent/JPH0214019Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6249126U (en]) | 1987-03-26 |
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