Topography feedback control system for photoablation

Details Topography feedback control system for photoablation Topography feedback control system for photoablation

1993-03-18

1994-09-27

Aschenbrenner, Peter A.

Surgery

Instruments

Light application

604 4, 604 11, A61B 1732

Patent

active

053503740

ABSTRACT:
Real time feedback control during photorefractive keratectomy of individually ablated rasterstereographically imaged corneal areas; totality of these areas sufficient in number to result in a postoperative optically smooth epithelialized cornea. Novel micromechanical laser radiation modulating device means together with high speed digital control using specialized algorithms enabling a feedback control cycle of 0.2 second.

REFERENCES:
patent: 5029220 (1991-07-01), Juday

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