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Laser-Assisted Subepithelial Keratectomy ( LASEK) is a type of laser surgery on the eye to correct vision. LASEK stands for laser-assisted subepithelial keratectomy. It is considered to be a hybrid technique combining laser assisted in situ keratomileusis ( LASIK) and photorefractive keratectomy (PRK). LASEK may be used to treat nearsightedness, farsightedness, or astigmatism.
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