LASIK is a type of laser eye operation meant to improve or correct disorders with sight. It is performed by ophthalmologists, who are physicians or MDs who specialize in eye problems. LASIK is usually preferred to pRK eye surgery, as it is not as painful and requires less time for healing. Before having LASIK surgery, the patient's corneas are evaluated with a computerized sophisticated scanner and it creates a map of the cornea. This procedure also picks up astigmatism & other deviations in the shape of the cornea. The surgeon uses this information to judge the location and amount of corneal material to be eliminated during the operation. The surgery is done while the patient is awake and alert, nevertheless, the person is often given a modest sedating medication and anesthetic eye drops. The eye surgeon operates the lasers, which make all of the cutting. A flap is sliced in the cornea, which is the clear front part of the eye, using a laser or blade. Then an excimer laser is used to remodel the cornea. The laser destroys tissue without causing harm to the eye. Although usually uncommon, damaging complications might occur with LASIK or any type of eye surgeries. A few of of the more typically reported complications of LASIK can include: infection, dry eyes and light sensitive eyes, over or under correction, changes in vision, starbursts or halos around lights, doubled vision, and difficulties with the flap made during the operation. Although LASIK technology is improving very rapidly, research has not determined long-term complications. The eye surgery can't be reversed.

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