LASIK is a type of laser surgery to the eye designed to rectify problems with sight. LASIK is performed by ophthalmologists, who are mDs who specialize in eye problems. LASIK is typically preferred to photorefractive keratectomy (PRK), as it is less painful and requires less time to heal completely. Prior to having LASIK eye surgery, the patient's corneas are examined with a computerized scanning device and a corneal map is created. This stage of the process also discovers astigmatism or other peculiarities in the cornea's shape. The eye surgeon uses this information to determine the location as well as the amount of corneal tissue to be removed during the surgery. The operation is carried out with the patient awake and alert, nonetheless, the person is generally given a mild sedating medication and anesthetizing drops for the eyes. The eye surgeon operates the lasers, which make all of the cutting. A flap is carved in the cornea, which is the clear front part of the eye, using a blade or laser. And then, an excimer laser is used to remodel the cornea. The laser vaporizes tissue without causing damage or injury. Although usually uncommon, some complications do occur with LASIK or non laser forms of eye surgeries. Just some of the more regularly reported complications of LASIK can include: infection, light sensitive and dry eyes, over or under correction, fluctuating vision, rings around lights, doubled vision, and troubles with the flap that was produced during the operation. Although LASIK technology is improving rapidly, scientists have not proven long-term complicating problems. The surgical procedure can't be reversed.

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