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LASIK, Laser-In-Situ-Keratomileusis
The microkeratome (an automated microsurgical instrument similar in concept to a carpenter's plane) is used to create a corneal flap, exposing the internal layers of the cornea, much like opening a book. The cool excimer laser beam then gently reshapes the exposed cornea. When the flap is replaced, the surface assumes the new curvature that has been calculated to correct your vision. In essence the laser has engraved the shape of your contact lens permanently in your eye. The flap is stable within minutes and is healed by the next morning.
LASIK is an extremely effective outpatient procedure that is suitable for a wide range of prescriptions; nearsightedness, farsightedness, and astigmatism.
Each pulse of the laser can remove 39-millionths of an inch of tissue in 12-billionths of a second. This allows remarkable accuracy while maintaining excellent control throughout the procedure.
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