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Excimer laser corneal ablation: Absence of a significant “incubation” effect

✍ Scribed by Dr. G. H. Pettit; M. N. Ediger; R. P. Weiblinger

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
825 KB
Volume
11
Category
Article
ISSN
0196-8092

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✦ Synopsis

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 polymethylmethacrylate 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.

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