LASIK is a form of laser-guided operation to the eye which is intended to remedy disorders with vision. The surgical procedure is performed by ophthalmologists, who are mDs who specialize in eye disorders. LASIK is generally preferred to pRK (photorefractive keratectomy), as it is less pain-producing and requires less time for fulll healing. Prior to having LASIK surgery, the patient's corneas are analyzed with a computer controlled scanner and a corneal map is created. This process also discovers astigmatism as well as additional problems in the cornea's shape. The eye surgeon uses this data to calculate the location as well as the amount of corneal tissue to be eliminated during the surgery. The operation is performed while the patient is awake and functional, nevertheless, the patient is generally given a mild sedating drug and anesthetic drops for the eyes. The surgeon operates the laser machines, which produce all of the cutting. A flap is carved in the cornea, which is the clear front part of the eye, using a laser or a blade. Afterwards, an excimer laser remodels the cornea. The laser destroys tissue without inducing harm to the eye. Although usually uncommon, complications or damage may occur with LASIK or other laser or non laser eye surgeries. Just a few of the more typically reported complications of LASIK are: infection, dry or light sensitive eyes, over or under correction, fluctuations in vision, starbursts or halos around lights, double vision, and difficulties with the flap that was created during the surgery. Although LASIK technology is getting better rapidly, clinical studies have not completely determined long-term or permanent damage. The surgery cannot be reversed.

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