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(PRK) photoablation of the anterior corneal stroma using an excimer laser in order to correct ametropia by the creation of a new radius of curvature.Medical dictionary. 2011.
Photorefractive keratectomy — (PRK) and Laser Assisted Sub Epithelial Keratectomy (or Laser Epithelial Keratomileusis [ [http://www.nice.org.uk/guidance/index.jsp?action=byID o=11193 Laser epithelial keratomileusis (LASEK) ] Accessed June 30 2008.] ) (LASEK) are laser eye… … Wikipedia
photorefractive keratectomy — PRK; see keratectomy … The new mediacal dictionary
photorefractive keratectomy — noun Etymology: keratectomy from kerat + ectomy : surgical removal of part of the corneal surface using an excimer laser in order to correct for myopia compare radial keratotomy herein … Useful english dictionary
photorefractive keratectomy — noun Date: 1986 surgical removal of part of the corneal surface using an excimer laser in order to correct for myopia compare radial keratotomy … New Collegiate Dictionary
photorefractive keratectomy — ▪ surgical method common surgical method that reshapes the cornea (the transparent membrane covering the front of the eye (eye, human)) to improve vision in patients affected by farsightedness ( hyperopia) or nearsightedness ( myopia). In… … Universalium
photorefractive keratectomy — noun a laser eye surgery technique to correct vision … Wiktionary
Photorefractive keratectomy (PRK) — A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for glasses and contact lenses. The laser is used to remove the outer layer of the cornea and flatten the cornea. The flattening of the… … Medical dictionary
Keratectomy — Removal of part of the cornea. This can be done by surgical excision or by laser. One such laser procedure is PRK (photorefractive keratectomy). * * * An operation done to change the refraction of the cornea; a crescentic piece of corneal stroma… … Medical dictionary
keratectomy — n. an operation in which a part of the cornea is removed, usually a superficial layer. This procedure is now frequently done by an excimer laser, either to correct refractive errors (myopia, hypermetropia), by reshaping the surface of the cornea… … The new mediacal dictionary
keratectomy — ˌkerəˈtektəmē noun ( es) Etymology: kerat + ectomy : surgical excision of part of the cornea see photorefractive keratectomy herein * * * keratectomy see kerato … Useful english dictionary
