Unit for searching for a lost contact lens

Details Unit for searching for a lost contact lens Unit for searching for a lost contact lens

1991-08-08

1993-02-23

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, G02C 704, G02C 712

Patent

active

051894483

ABSTRACT:
To let one confirm the location of a contact lens which has been lost when one has intended to apply it to or remove it from the eyeball, a polarizing filter is used. The surface or side surface of a contact lens is coated with a polarizing filter so that when the contact lens has been lost, the location of the polarizing filter that is coated on the contact lens is allowed to be confirmed easily through a polarizing plate.

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