Intra-ocular lens

Details Intra-ocular lens Intra-ocular lens

1989-06-09

1990-09-11

Frinks, Ronald

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

Eye prosthesis

Intraocular lens

528185, A61F 216

Patent

active

049559001

ABSTRACT:
An intra-ocular lens comprising a lens part and a fixing part is disclosed, said lens part comprising a colorless transparent polyimide consisting mainly of a repeating unit represented by formula (I): ##STR1## The intra-ocular lens exhibits compatibility with the organism, chemical inactivity, and insusceptibility to modification or deterioration by the organism, has a refractive index of 1.6 or higher, completely absorbs ultraviolet rays while exhibiting substantial transparency to visible rays, and possesses heat resistance enough to withstand autoclaving.

REFERENCES:
patent: 3959350 (1976-05-01), Rogers
patent: 4198714 (1980-04-01), Jensen
patent: 4450593 (1984-05-01), Poler
patent: 4601720 (1986-02-01), Sinskey
patent: 4612361 (1986-09-01), Peters
patent: 4737322 (1988-04-01), Bruns et al.

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