A surgical incision (a cut) made into the cornea. A radial keratotomy is a surgical procedure designed to flatten the cornea, reduce its optical power, and correct nearsightedness (myopia). The procedure is called a radial keratotomy because the incisions resemble the spokes in a bicycle wheel.
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1. Any incision through the cornea. 2. An operation making a partial thickness incision into the cornea to flatten it and reduce its refractive power in that meridian. [kerato- + G. tome, incision]
- delimiting k. incision in the cornea along the margin of an advancing ulcer.
- radial k. a k. with radial incisions around a clear central zone. A form of refractive keratoplasty used in the treatment of myopia.
- refractive k. modification of corneal curvature by means of corneal incisions to minimize hyperopia, myopia, or astigmatism.

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ker·a·tot·o·my -ə-mē n, pl -mies incision of the cornea see radial keratotomy

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an incision into the cornea. See arcuate keratotomy, radial keratotomy.

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ker·a·tot·o·my (ker″ə-totґə-me) [kerato- + -tomy] surgical incision of the cornea.

Medical dictionary. 2011.

Look at other dictionaries:

  • Keratotomy — is a type of refractive surgical procedure and can refer to: * Radial keratotomy * Photorefractive keratotomy …   Wikipedia

  • keratotomy — [ker΄ə tät′ə mē] n. pl. keratotomies [ KERATO + TOMY] surgical incision of the cornea …   English World dictionary

  • keratotomy — n. an incision into the cornea. See: arcuate keratotomy, radial keratotomy …   The new mediacal dictionary

  • keratotomy — [ˌkɛrə tɒtəmi] noun a surgical operation involving cutting into the cornea of the eye, especially (radial keratotomy) performed to correct myopia …   English new terms dictionary

  • keratotomy — noun surgical incision into the cornea • Hypernyms: ↑eye operation, ↑eye surgery • Hyponyms: ↑radial keratotomy …   Useful english dictionary

  • keratotomy — /ker euh tot euh mee/, n., pl. keratotomies. Surg. incision of the cornea. [1895 1900; KERATO + TOMY] * * * …   Universalium

  • keratotomy — noun A surgical incision in the cornea …   Wiktionary

  • keratotomy — n. surgical incision of the cornea …   English contemporary dictionary

  • Keratotomy, radial — An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct nearsightedness (myopia). In the procedure, incisions (cuts) are made in the cornea. The procedure is said to be radial because the incisions resemble …   Medical dictionary

  • Radial keratotomy — (RK) is a refractive surgical procedure to correct myopia. Discovery The procedure was discovered by accident by Svyatoslav Fyodorov who removed glass from the eye of one of his patients who had been in an accident. A boy, who wore eyeglasses,… …   Wikipedia

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