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Laser Assisted In-Situ Keratomileusis (LASIK) is a laser procedure that reshapes the surface of the cornea in order to reduce the amount of refractive error. It is most advantageous for patients who have moderate to high levels of myopia (nearsightedness), astigmatism, and hyperopia (farsightedness).
How does LASIK work? First, a thin layer of the cornea is lifted up with an automated instrument, called a microkeratome. It gently glides across the cornea, creating a flap. Once the flap is created, in less than 60 seconds, ultraviolet light and high energy pulses from the Excimer laser reshapes the surface of the cornea by removing tissue with tremendous accuracy.
Once the laser treatment is complete, the doctor simply lays the flap back into position and allows sufficient time for healing. Within a few minutes, the corneal cap is secure enough to allow the patient to blink without disturbing it. At this time, patients notice a slight haze or fog to their vision, however, many are able to see objects more clearly than when they first walked into the procedure room.
Because of the cornea’s extraordinary natural bonding qualities, healing is rapid and does not require stitches. The entire procedure takes less than 20 minutes!
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