Colored contact lens
US7172286B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 20, 2005 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | May 20, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/046
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A colored contact lens comprising a generally uncolored pupil region, a generally annular-shaped iris region and a multicolored pattern on the iris region. The multicolored pattern is sufficiently colored to change the apparent color of an iris of a person wearing the contact lens and comprises a plurality of color elements. The multicolored pattern further comprising a collarette region that comprises at least some of the color elements and a collarette band at least substantially surrounding the pupil region that has generally jagged inner and outer peripheries. The collarette band including at least a first portion spaced less than 4 mm from the center of the pupil region and a second portion spaced at least 6.5 mm from the center of the pupil region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.