LASIK is a form of laser-guided operation to the eye designed to cure or improve difficulties with sight. LASIK is carried out by ophthalmologists, who are physicians or MDs specializing in eye problems. LASIK is typically preferred to pRK surgery, as it is less pain-producing and requires less time for healing. Prior to having LASIK surgery, the patient's corneas are examined with a computer driven scanner and it creates a map of the cornea. This process also spots astigmatism and also other irregularities in the shape of the cornea. The surgeon uses this data to compute the amount and location of corneal tissue to be eliminated during the operation. The operation is carried out with the person awake and functional, nonetheless, the person is typically given a mild sedating medication and anesthetic eye drops. The operating surgeon operates the lasers, which create all of the cutting. A flap is cut in the cornea using a blade or laser. Later, an excimer laser is used to remodel the cornea. The laser vaporizes tissue without inducing damage or injury. Although relatively uncommon, complications could occur with LASIK or other laser or non laser eye surgeries. Just a few of the more commonly reported complications of LASIK typically include: infection, light sensitive or dry eyes, over or under correction, changes in vision, halos or starbursts around lights, doubled vision, and problems with the flap that was created during the surgical procedure. Although LASIK technology is getting better rapidly, clinical studies have not proven long-term damaging complications. The surgical procedure can't be reversed.

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