Excimer laser photorefractive keratectomy
- 31 October 1995
- journal article
- review article
- Published by Elsevier BV in Survey of Ophthalmology
- Vol. 40 (2), 89-118
- https://doi.org/10.1016/s0039-6257(95)80001-8
Abstract
Excimer laser photorefractive keratectomy has been used for the correction of myopia, hyperopia and astigmatism. This laser removes tissue through a process termed photoablative decomposition, in which incident photon energy is sufficient to break molecular bonds. Selective removal of tissue across the anterior corneal surface results in a change in anterior corneal curvature. The surgical outcome may be influenced also by interindividual variability in wound healing and pharmacologic interventions. The nature of the excimer laser-tissue interaction, and clinical outcomes of predictability, stability and complications of surgery for myopia are discussed in detail.Keywords
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