LASIK is a type of laser-guided eye surgery designed to cure or improve problems with eyesight. LASIK is carried out by ophthalmologists, who are medical physicians specializing in eye disorders. LASIK is typically preferable to pRK eye surgery, as it is less pain-producing and requires less time to heal completely. Prior to having LASIK surgery, the patient's corneas are examined with a computer controlled sophisticated scanning device and a corneal map is created. This procedure also spots astigmatism & other irregularities in the shape of the cornea. The operating surgeon uses this information to judge the location as well as the amount of corneal tissue to be removed during the operation. The operation is carried out while the person is awake and alert, nonetheless, the patient is typically given a modest sedating medication and anesthetic eye drops. The operating surgeon operates the laser machines, which make all of the cutting. A flap is cut in the cornea using a laser or blade. And then, an excimer laser remodels the cornea. The laser vaporizes tissue without inducing injury or damage. Although relatively uncommon, complications or damage might occur with LASIK or other laser or non laser eye surgeries. A number of the more regularly reported complications of LASIK are: infection, light sensitive and dry eyes, under or over correction, changing vision, halos or starbursts around lights, double vision, and troubles with the flap produced during the surgery. Although LASIK technology is improving very rapidly, research has not completely determined long-term damaging complications. The lASIK procedure can't be reversed.

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