Toric lens design
US7475983B2 · kind B2 · utility
10Cited by
3References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2006 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Jan 29, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention is related to contact lenses. In particular, the present invention is related to a toric contact lens design with thickness zones in the carrier portion of the lens for increased rotational stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.