LASIK is a form of laser eye surgery designed to repair problems with sight. It is carried out by ophthalmologists, who are mDs who specialize in eye disorders. LASIK is commonly preferable to photorefractive keratectomy (PRK), as it is less painful and requires less time for fulll healing. Prior to LASIK eye surgery, the patient's corneas are evaluated with a computerized scanner and it creates a map of the cornea. This step of the procedure also detects astigmatism and additional irregularities in the shape of the cornea. The surgeon uses this data to ascertain the amount and location of corneal material to be removed during the surgery. The surgery is performed with the patient awake and alert, nevertheless, the person is often given a minor sedative and anesthetic drops for the eyes. The operating surgeon operates the lasers, which produce all of the incisions. A flap is cut in the cornea, which is the clear front part of the eye, using a laser or blade. And then, an excimer laser remodels the cornea. The laser vaporizes tissue without creating injury or damage. Although usually uncommon, some complications may occur with LASIK or other laser or non laser eye surgeries. A number of the more regularly reported complications of LASIK typically include: infection, dry or light sensitive eyes, over or under correction, changes in vision, rings around lights, doubled vision, and issues with the flap made during the surgical procedure. Although LASIK technology is improving very rapidly, research studies have not determined long-term complications or damage. The eye surgery cannot be reversed.

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