Method of fabricating holographic contact lens

Details Method of fabricating holographic contact lens Method of fabricating holographic contact lens

2006-05-23

2006-05-23

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S16000R, C264S001320, C264S002500

Reexamination Certificate

active

07048378

ABSTRACT:
A method of fabricating holographic colored contact lens is provided. A lens-making mold having multiple micro-lines on the peripheral surface is used to fabricate the contact lens and at the same time the micro-line pattern is copied onto the contact lens to form a light interference zone, which causes light waves to break up to produce light diffraction around the eyes, such that a holographic impression of a person's eyes can be created through the lenses. The perceived eyes through the lenses change color when looking from a different angle. This contact lens makes use of grating diffraction principles to impart colors on the eyes of a person wearing the contact lenses, without using any chemical colorants in the lens-making process; therefore wearing such contact lens is much healthier as opposed to a conventional colored contact lens.

REFERENCES:
patent: 6139147 (2000-10-01), Zhang
patent: 6851803 (2005-02-01), Wooley et al.
patent: 2004/0207105 (2004-10-01), Altmann

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