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Optical Engineering

Critical review on refractive surgical lasers
Author(s): Jui Teng Lin
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Paper Abstract

The current status of refractive surgical lasers (including excimer and nonexcimer lasers) is reviewed with an emphasis on photorefractive keratectomy (PRK). The correlation of engineering parameters and the clinical requirements with optimal conditions are presented. The fundamentals of corneal reshaping with formulas for ablation profiles and the advantages of the multizone method are discussed. Updated information on the Mini-Excimer PRK laser system, with an emphasis on the scanning delivery device, is presented. PMMA ablation profiles performed by standard diaphragm and scanning modes are compared for surface ablation quality. Scanning mode ablation patterns for myopia, hyperopia, and regular and irregular astigmatism are presented.

Paper Details

Date Published: 1 March 1995
PDF: 8 pages
Opt. Eng. 34(3) doi: 10.1117/12.199376
Published in: Optical Engineering Volume 34, Issue 3
Show Author Affiliations
Jui Teng Lin, Photon Data (United States)


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