Contact lenses
US6454409B1 · kind B1 · utility
21Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Aug 15, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Contact lenses that have a back edge designed so that the flat portion of the edge does not rest on the wearer's conjunctiva are provided. The lenses of the invention exhibit good lens handling as well as excellent on-eye comfort and movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.