Radial Keratotomy (RK) is a surgical procedure used to decrease nearsightedness. During the procedure, radial incisions are made in the cornea of the eye with a highly precise diamond blade set to a particular depth. The number of incisions and their location is determined by the degree of nearsightedness. These incisions allow the sides of the cornea to bugle outward and thereby flatten the central portion of the cornea. This brings the focal point of the eye closer to the retina and improves one's distance vision.

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