It is better in fact to discard the epithelial layer at the end of surgery, thus making epi-LASIK no different from traditional photorefractive keratectomy surgery.
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Each firm's equipment is licensed by the FDA for a procedure called photorefractive keratectomy, or PRK, that cuts and reshapes a patient's cornea.
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Phototherapeutic keratectomy ( PTK ) using [ Excimer laser ] can restore and preserve useful visual function for a significant period of time in patients with anterior corneal dystrophies.
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More than 60 million Americans are nearsighted, although medical device analysts expect only a fraction of them to undergo the laser treatment, called photorefractive keratectomy ( PRK ).
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On 25 Jan 2002 DGMC opened the $ 1.5 million Warfighter Photorefractive keratectomy Center ( PRK ), one of only five in the Air Force Medical Service.
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Clinics plan to charge about $ 2, 000 to $ 2, 500 per eye for the procedure, known as PRK, for " photorefractive keratectomy ."
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Currently, the two most frequently performed visual correction surgeries are called Lasik, which stands for laser-assisted in-situ keratomileusis, and PRK, for photorefractive keratectomy.
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With photorefractive keratectomy or PRK, the first such procedure available, ophthalmologists use lasers to change the shape of the cornea by removing a thin layer of cells on the surface.
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For the optometrists, the ultimate goal was access to a relatively new _ and expensive _ laser procedure, known as photorefractive keratectomy, that corrects nearsightedness by slightly flattening the cornea.
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Latest news : Photo-refractive keratectomy surgery _ in which a laser is used to correct nearsightedness, farsightedness or an astigmatism _ has become more popular in the last two years.
