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Lasers Surg Med. 1991;11(5):411-8.

Excimer laser corneal ablation: absence of a significant "incubation" effect.

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  • 1Center for Devices and Radiological Health, Food and Drug Administration, Rockville, Maryland 20857.

Abstract

Pulse-to-pulse consistency of excimer laser etching of cornea has been examined via two noncontact techniques: photoacoustic probe beam deflection, and time-resolved excimer pulse reflectometry. These methods clearly document the incubation phenomenon accompanying excimer laser ablation of polymethyl-methacrylate and the absence of the effect during polyimide ablation. In comparison, results for corneal ablation indicate consistent tissue etching over a train of pulses. Consequently, incubation appears to have negligible impact on corneal ablation.

PMID:
1816475
[PubMed - indexed for MEDLINE]

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