An operation that removes part of the cornea, as in keratomileusis.

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  • keratectomy — [ker΄ə tek′tə mē] n. pl. keratectomies [ KERAT(O) + ECTOMY] the surgical removal of part or all of the cornea …   English World 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

  • keratectomy — noun (plural mies) Date: 1871 surgical excision of part of the cornea compare photorefractive keratectomy …   New Collegiate Dictionary

  • keratectomy — /ker euh tek teuh mee/, n., pl. keratectomies. Surg. excision of part of the cornea. [1870 75; KERAT + ECTOMY] * * * …   Universalium

  • keratectomy — n. surgical removal of part of the cornea (Surgery) …   English contemporary dictionary

  • keratectomy — [ˌkɛrə tɛktəmi] noun surgical removal of a section or layer of the cornea, usually performed using a laser to correct myopia …   English new terms dictionary

  • keratectomy — ker·a·tec·to·my …   English syllables

  • Keratectomy, photorefractive (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

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