LASIK is a refractive surgical procedure that reshapes the cornea to focus light on to the retina. It is performed by creating a flap in the epithelium (outer) layer of the eye with either a lathe or laser, called Intralase. The underlying tissue is then reshaped with a laser to a predetermined arrangement in order to eliminate refractive conditions.
It is designed to treat nearsightedness (Myopia), farsightedness ( Hyperopia) and astigmatism. It does not, however eliminate the need for reading glasses in those over forty. The surgery can only correct one distance at a time.The procedure is a very effective, however there is no guarantee that there will not be any residual refractive power, or that the person my not regress requiring glasses in the future.
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