Cosmetic holographic optical diffractive contact lenses

Details Cosmetic holographic optical diffractive contact lenses Cosmetic holographic optical diffractive contact lenses

2006-03-28

2006-03-28

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S165000, C351S177000

Reexamination Certificate

active

07018041

ABSTRACT:
A contact lens has an inner surface adapted to be placed against the eye of a wearer and an outer surface bearing a cosmetic holographic optical diffraction grating that, when worn by a wearer, displays color to an observer of the contact lens. The holographic optical diffraction grating can diffract incident light to display one or more colors to the observer, or can be formed as an alphanumeric character(s) or graphic display to the observer.

REFERENCES:
patent: 3744911 (1973-07-01), Stetson et al.
patent: 4889421 (1989-12-01), Cohen
patent: 5255108 (1993-10-01), Narayan et al.
patent: 6139147 (2000-10-01), Zhang
patent: 6626534 (2003-09-01), DiMartino

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