LASIK is a form of laser-guided eye operation meant to correct or at least minimize troubles with eyesight. LASIK is carried out by ophthalmologists, who are mDs specializing in eye disorders. LASIK is generally preferable to pRK surgery, as it is less painful and requires less time for healing. Prior to having LASIK eye surgery, the patient's corneas are examined with a computer driven sophisticated scanning device and a map of the cornea is created. This step of the procedure also picks up astigmatism and also other problems in the shape of the cornea. The surgeon uses this data to ascertain the location as well as the amount of corneal material to be eliminated during the operation. The operation is done with the person awake and alert, still, the person is typically given a modest sedating drug and anesthetizing drops in the eyes. The surgeon operates the laser machines, which create all of the cutting. A flap is sliced in the cornea, which is the clear front part of the eye, using a laser or a blade. Afterwards, an excimer laser is used to remodel the cornea. The laser destroys tissue without causing injury or damage. Although relatively uncommon, damaging complications could occur with LASIK or non laser forms of eye surgeries. Some of the more typically reported complications of LASIK are: infection, light sensitive or dry eyes, over or under correction, fluctuating vision, rings around lights, double vision, and problems with the flap made during the operation. Although LASIK technology is improving quickly, clinical studies have not characterized long-term complications. The eye surgery is irreversible.

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