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PRK Eye Surgery


PRK (photorefractive keratectomy) is a refractive eye surgery technique similar to LASIK surgery as both use the excimer laser to reshape the cornea (the front surface of the eye), in order to change its ability to focus light on the retina. The primary difference between PRK eye surgery and LASIK surgery is that with PRK, a flap is not made. Instead, the excimer laser carefully sculpts the outer layer of the cornea to create an optimal refractive surface.

PRK eye surgery is used to correct nearsightedness, farsightedness, and/or astigmatism. Patients who have been told that their corneas are too thin or too dry for LASIK may be excellent candidates for the PRK procedure. Also, patients who are subject to extreme facial trauma such as football, basketball players, and boxers are better suited for PRK. Visual results are generally the same for PRK and LASIK, but the healing and recovery time is somewhat longer with PRK.

Post-operatively, recovery from PRK eye surgery generally brings slightly more discomfort that can last a day or two after surgery. A bandage soft contact lens is placed on the eye for several days and removed when the outer layer of epithelium has healed.