from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Surgical incision of the cornea.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A surgical incision in the cornea.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. surgical incision into the cornea


from Wiktionary, Creative Commons Attribution/Share-Alike License

kerat- + -otomy


  • Lots of people had already undergone an older, less-reliable treatment called RK (radial keratotomy), but my doctor was anxious to get the word out about the new technique.

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  • I got unprecedented access to the headquarters of the infamous Soviet intelligence agency, the KGB, and in Leningrad I had an exclusive interview with Dr. Svyatoslav Fyodorov, the ophthalmologist who developed the revolutionary vision correction procedure known as radial keratotomy.

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  • One concern is whether the long-term effect of radial keratotomy might be loss of vision.

    Diffusion of Innovations

  • An illustration is radial keratotomy, a surgical procedure for correcting certain eyesight problems.

    Diffusion of Innovations

  • PRK, performed in the physician's office with local anesthesia, is a far more sophisticated procedure than a controversial form of surgery called radial keratotomy (RK).

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  • Surgeons thought they had perfected radial keratotomy, surgery performed to enable better vision without glasses, on rabbits, but the procedure blinded the first human patients.

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  • The same might be said for the microwave oven, the hair dryer, laser keratotomy, REITs, the Xbox and the ATM machine.

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  • For readers out there considering eye surgery, PRK or LASIK is superior to radial keratotomy. posted by sydney on


  • He reminded me three times during the visit that he "scraped and scrambled to get up the money to come in," but then as he was leaving he mentioned that he was considering radial keratotomy.


  • UPDATE: A reader wrote to excoriate my patient's ophtalmologist for offering him the older radial keratotomy procedure instead of the newer, more reliable PRK or LASIK.



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