Method for controlled corneal ablation

Details Method for controlled corneal ablation Method for controlled corneal ablation

1989-06-19

1992-07-28

Shay, David

Surgery

Instruments

Light application

606 16, 606 17, 128395, 128397, 128398, 128898, A61N 506

Patent

active

051337088

ABSTRACT:
A method for effecting controlled refractive correction of the cornea comprising a contact lens whose concave surface is wetted with an inert ultraviolet absorbent liquid. An excimer laser feeds a cylindrical bundle of quartz fibers terminating angularly in a decollimating matrix at the contact lens in such manner as to attenuate the ultraviolet flux in said liquid proportional to the depth thereof at the cornea so as to effect greatest corneal ablation at the thinnest depth of the liquid.

REFERENCES:
patent: 3945375 (1976-03-01), Banko
patent: 4461294 (1984-07-01), Baron
patent: 4729372 (1988-03-01), L'Esperance, Jr.

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