Colored contact lens with a more natural appearance
US7837323B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 18, 2008 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Nov 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/046
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A colored contact lens having a non-opaque pupil section, an iris section surrounding the pupil section, and a colored, opaque intermittent pattern made up of a plurality of elements located over the entire iris section that leaves a substantial portion within the interstices of the pattern non-opaque, the pattern covering an effective amount of the iris section to change the apparent color of the iris, the pattern having a plurality of portions, each of the portions being a different shade from each other portion, each of the portions overlapping each other portion at a plurality of points, where at least one of the plurality of portions contains a selected design.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.