Colored contact lens and method of making same
US6767097B2 · kind B2 · utility
27Cited by
59References
13Claims
0Family size
Inventor
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | May 20, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/046
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for coloring a contact lens. The method comprises providing a contact lens having a pupil region and a generally annular-shaped iris region surrounding the pupil region. The iris region is adapted to at least partially cover a wearer's iris when the wearer is wearing the contact lens. The method further comprises providing a printer assembly having an inkjet print head, and using the printer assembly to deposit at least one colorant on the iris region of the contact lens in a manner to alter the appearance of the iris of the wearer when the wearer is wearing the contact lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.