Spectacle ophthalmic lens intended to be mounted on a spectacle frame
US10379382B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2015 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Dec 30, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/027
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spectacle ophthalmic lens mountable on a spectacle frame, the ophthalmic lens including: a fitting cross where the optical power is negative; a first zone extending in a temporal side of the fitting cross, wherein in the first zone when the ophthalmic lens is mounted on the spectacle frame, the optical power increases when a gazing direction moves towards the temporal side, and wherein over a nasal side of the fitting cross, the optical power of the ophthalmic lens is substantially same as at the fitting cross.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.