LASIK is a form of laser-guided eye surgery meant to correct problems with eyesight. LASIK is performed by ophthalmologists, who are mDs specializing in eye disorders & diseases. LASIK is ordinarily preferred to pRK surgery, as it is less painful and requires less time for fulll healing. Before having LASIK surgery, the patient's corneas are analyzed with a computer driven sophisticated scanning device and a corneal map is devised. This step of the process also spots astigmatism or additional problems in the cornea's shape. The operating surgeon uses this information to calculate the amount as well as location of corneal tissue to be removed during the operation. The operation is performed while the patient is awake, still, the patient is often given a modest sedative and anesthetizing drops for the eyes. The surgeon operates the lasers, which produce all of the incisions. A flap is cut in the cornea using a laser or blade. Then an excimer laser remodels the cornea. The laser vaporizes tissue without inducing damage. Although usually uncommon, complications or damage can occur with LASIK or any type of eye surgeries. A number of the more frequently reported complications of LASIK include: infection, dry eyes and light sensitive eyes, over or under correction, changing vision, starbursts or halos around lights, doubled vision, and difficulties with the flap that was produced during the surgical procedure. Although LASIK technology is improving quickly, clinical studies have not completely defined long-term damaging complications. The lASIK procedure can't be reversed.

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