Light-occluding contact lens

Details Light-occluding contact lens Light-occluding contact lens

1984-08-03

1986-03-18

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

G02C 704, G02C 710

Patent

active

045764530

ABSTRACT:
A contact lens is featured for use by light sensitive wearers. The lens comprises a centrally shaded portion whose shade is optically graded from a relatively darker center to a relatively light or transparent periphery. The diameter of the shade is greater than a fully contracted pupil, as when the eye is exposed to bright sunlight, but less than a fully dilated pupil, as when the eye is exposed to very dim light.

REFERENCES:
patent: 3034403 (1962-05-01), Neefe
patent: 4121885 (1978-10-01), Erickson et al.

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