Laser surgical procedure and device for treatment of the cornea

Details Laser surgical procedure and device for treatment of the cornea Laser surgical procedure and device for treatment of the cornea

1994-06-15

1997-02-04

Sykes, Angela D.

Surgery

Instruments

Light application

A61B 1736

Patent

active

055993419

ABSTRACT:
This invention is a procedure and system for the correction of optical abnormalities in a hum, a eye. It involves the use of laser radiation to desiccate or ablate tissue in the stromal layer of the cornea. The procedure involved the initial step of forming at least one access site allowing access to the corneal volume behind Bowman's layer. The laser probe is then introduced into the access site and, depending upon the visual abnormality to be corrected, the probe is activated to adjust the volume of the corneal stromal layers. The shape of the volume desiccated or ablated is dependent upon the aberration to be corrected. In certain circumstances, radial or circumferential cuts in Bowman's layer may allow the curvature of the cornea to change following the corneal volume adjustment.

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