Ophthalmic lens including photochromic material
US7641337B2 · kind B2 · utility
55Cited by
22References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2006 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Feb 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ophthalmic lens, comprising an optic including at least one photochromic region having a first chromaticity and a second region of lesser photochromaticity. A method of treating a subject having presbyopia or aniridia comprising applying to the subject's eye an ophthalmic lens comprising an optic including at least one photochromic region having a first chromaticity and a second region of lesser photochromaticity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.