LASIK is a type of laser eye operation which is intended to cure or improve problems with sight. The surgery is performed by ophthalmologists, who are mDs who specialize in disorders of the eye. LASIK is typically preferable to photorefractive keratectomy, or PRK, as it is much less painful and requires less time to recover. Prior to LASIK eye surgery, the patient's corneas are examined with a computer controlled scanning device and a corneal map is created. This procedure also discovers astigmatism or additional peculiarities in the cornea's shape. The surgeon uses this information to ascertain the amount and location of corneal tissue to be eliminated during the surgery. The operation is done with the person awake, all the same, the patient is generally given a mild sedating medication and anesthetizing eye drops. The surgeon operates the laser machines, which make all of the incisions. A flap is cut in the cornea using a laser or blade. Subsequently, an excimer laser remodels the cornea. The laser destroys tissue without causing harm to the eye. Although usually uncommon, complications might occur with LASIK or any form of eye surgeries. A few of of the more regularly reported complications of LASIK can include: infection, light sensitive and dry eyes, over or under correction, fluctuations in vision, halos or starbursts around lights, double vision, and difficulties with the flap created during the operation. Although LASIK technology is getting better rapidly, scientists have not proven long-term complicating problems. The surgical procedure is irreversible.

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