Visual indicator on soft contact lenses

Details Visual indicator on soft contact lenses Visual indicator on soft contact lenses

1984-02-24

1986-10-14

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351160H, G02C 704

Patent

active

046169105

ABSTRACT:
A soft contact lens is provided with a visual indicator to show that it is not inside out prior to application to the eye. The indicator is such that when viewed from the outside surface of the soft contact lens, it has a distinctly different appearance than when viewed from the inner surface of the lens.

REFERENCES:
patent: 4193671 (1980-03-01), Erickson et al.
patent: 4525044 (1985-06-01), Bauman

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