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There are now many options for correcting vision surgically. Here are a few of the best known:
-- LASIK, the most popular and widespread refractive surgery: The surgeon makes a small incision ("flap") in the cornea, then reshapes the tissue underneath with a laser.
-- LASEK: The same as LASIK, but the flap is confined to the surface (epithelemium) of the cornea.
-- Epi-LASIK: A tiny separator is used for creating the flap, instead of a blade.
-- PRK: The surgeon uses the laser to reshape the surface of the cornea.