PRK vs. LASIK
This article was originally published in The Gray Sheet
Photorefractive keratectomy and laser in situ keratomileusis provide "generally similar" outcomes, according to a study appearing in the August issue of Ophthalmology. Conducted by Peter Hersh, MD, New Jersey Medical School, Newark, et al., the study concludes that both procedures "seem to be relatively safe and effective for the correction of moderate to high myopia." The 7-center, 220-patient randomized clinical trial used an excimer laser for both procedures for myopic corrections ranging from 6.0 to 15.0 diopters. However, the authors caution that the study "assesses one laser using a particular ablation algorithm and looks only at the correction of higher degrees of myopia" and that lower degrees of myopia need to be tested in future trials
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