Synthetic sapphire intraocular lens

Details Synthetic sapphire intraocular lens Synthetic sapphire intraocular lens

1991-02-11

1992-07-28

Frinks, Ronald

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

623901, 65 33, 501 86, A61F 216

Patent

active

051337509

ABSTRACT:
There is disclosed a new and improved intraocular lens (IOL) for use by surgeons as a replacement for a person's cataractous lens. The disclosed lens is a synthetic sapphire lens having either a silicone or polyimide haptic thereby making the lens autoclavable. The lens is resistant to damage caused by YAG laser and eliminates the need for ridges of any kind on the surface of the lens which has previously been used to keep the lens off the posterior capsule of the crystalline lens. Eliminating the need for a ridge now allows the lens to be made much thinner and also eliminates the tiddlywink effect. The new IOL is approximately 1/3 to 1/5 the thickness of standard PMMA IOLs and is totally non-degradable.

REFERENCES:
patent: 2634554 (1953-04-01), Barnes
patent: 3996627 (1976-12-01), Deeq et al.
patent: 4079470 (1978-03-01), Deeq et al.
patent: 4249271 (1981-02-01), Poler
patent: 4480340 (1984-11-01), Shepard
patent: 4880427 (1989-11-01), Ais

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