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Keratectomy

Photorefractive Keratectomy, or PRK, is a type of laser eye surgery for people who suffer from nearsightedness (myopia), farsightedness (hyperopia) or astigmatism. It is similar to LASIK in that it involves using an Excimer laser to reshape the cornea to minimize or eliminate your dependence on eyeglasses or contact lenses. It is different in that unlike LASIK the eye surgeon doesn’t need to use a microkeratome to make a flap, but instead is able to apply the laser directly to the surface of the cornea to achieve the desired vision correction effect.

PRK is better suited for people with thin corneas or certain other corneal abnormalities where using a microkeratome might not be the best choice


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