Markings for contact lenses

Details Markings for contact lenses Markings for contact lenses

1998-12-14

2000-03-28

Epps, Georgia

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351160H, G02C 704

Patent

active

060422300

ABSTRACT:
The invention provides marks for use in contact lenses and contact lenses that contain the marks, which marks are highly visible. The marks of the invention are useful for determining the inside versus the outside of the lens as well as for diagnostic purposes.

REFERENCES:
patent: 2803884 (1957-08-01), Polley
patent: 4194814 (1980-03-01), Fischer et al.
patent: 4219721 (1980-08-01), Kamen et al.
patent: 4976533 (1990-12-01), Hahn et al.
patent: 5062701 (1991-11-01), Drazba et al.
patent: 5467149 (1995-11-01), Morrison et al.
patent: 5641437 (1997-06-01), Williams et al.
Mandell, Robert B., Contact Lens Practice, Fourth Edition, pp. 669-678 (1988).

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