Contact lens
US8162476B2 · kind B2 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 16, 2010 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Mar 16, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/048
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A contact lens includes at least two focal lengths, a single lower bearing surface capable of allowing the lens to be translated relative to an eye, and an area placed in the lower portion of the lens, the area having an outer face connected to a remainder of the outer face of the lens via a recess and the area having an inner face indistinguishable from the rest of an inner face of the lens, where the recess defines the lower bearing surface, and where the area is thin with an average thickness of the same order of magnitude as a thickness of an upper edge of said lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.