Spin cast ocular cosmetic device with color separation

Details Spin cast ocular cosmetic device with color separation Spin cast ocular cosmetic device with color separation

1985-08-30

1987-01-27

Lowe, James

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

264 11, 264 17, 264 21, 264311, 425808, B29D 1100

Patent

active

046391053

ABSTRACT:
A spin cast cosmetic device to be worn on the cornea that changes the apparent color of the eye. The device has color bands of pigments and dyes which are separated by the spin casting operation. Pigment particles migrate and are separated, the dyes do not migrate. Unexpectedly the pigments separate into two concentric bands, one at the center and one at the periphery. The area between the pigment bands is colored by the soluble dye.

REFERENCES:
patent: D211757 (1968-07-01), Urbach
patent: 2241415 (1941-05-01), Moulton
patent: 3536386 (1970-10-01), Spivack
patent: 4121885 (1978-10-01), Erickson et al.

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