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. 2001.

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  • 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 — pho·to·re·frac·tive keratectomy ri .frak tiv n surgical ablation of part of the corneal surface using an excimer laser in order to correct for myopia abbr. PRK compare RADIAL KERATOTOMY * * * (PRK) see keratectomy * * * …   Medical dictionary

  • 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 — ▪ 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

  • PRK (photorefractive keratectomy) — 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

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