JPS5384741A - Spectacle lens - Google Patents
Spectacle lensInfo
- Publication number
- JPS5384741A JPS5384741A JP16050576A JP16050576A JPS5384741A JP S5384741 A JPS5384741 A JP S5384741A JP 16050576 A JP16050576 A JP 16050576A JP 16050576 A JP16050576 A JP 16050576A JP S5384741 A JPS5384741 A JP S5384741A
- Authority
- JP
- Japan
- Prior art keywords
- curvature
- center
- cutting line
- spectacle lens
- 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.)
- Pending
Links
Landscapes
- Eyeglasses (AREA)
Abstract
PURPOSE: To considerably decrease trim thickness without degrading lens performance by placing the center of curvature on the outside circumferential part and the center of curvature of the cental part on the oppsite side with a cutting line between at the cutting line in the rear face of a lens cut at an arbitrary plane inclusive its optical axis.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16050576A JPS5384741A (en) | 1976-12-29 | 1976-12-29 | Spectacle lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16050576A JPS5384741A (en) | 1976-12-29 | 1976-12-29 | Spectacle lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5384741A true JPS5384741A (en) | 1978-07-26 |
Family
ID=15716386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16050576A Pending JPS5384741A (en) | 1976-12-29 | 1976-12-29 | Spectacle lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5384741A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4561736A (en) * | 1982-08-07 | 1985-12-31 | Carl-Zeiss-Stiftung | Eyeglass lenses for persons suffering from severe ametropia |
US5550600A (en) * | 1994-06-23 | 1996-08-27 | Nikon Corporation | Ophthalmic lens having a negative refractive power |
US5825454A (en) * | 1996-01-16 | 1998-10-20 | Hoya Corporation | Aspherical spectacle lens |
-
1976
- 1976-12-29 JP JP16050576A patent/JPS5384741A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4561736A (en) * | 1982-08-07 | 1985-12-31 | Carl-Zeiss-Stiftung | Eyeglass lenses for persons suffering from severe ametropia |
US5550600A (en) * | 1994-06-23 | 1996-08-27 | Nikon Corporation | Ophthalmic lens having a negative refractive power |
US5825454A (en) * | 1996-01-16 | 1998-10-20 | Hoya Corporation | Aspherical spectacle lens |
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