LASIK is a form of laser eye operation designed to improve or correct problems with vision. It is carried out by ophthalmologists, who are medical physicians who specialize in eye disorders & diseases. LASIK is commonly a preferred alternative to photorefractive keratectomy (PRK), as it is not as painful and requires less time to heal completely. Prior to LASIK surgery, the patient's corneas are examined with a computerized sophisticated scanning device and it makes a map of the cornea. This step of the procedure also discovers astigmatism and also additional irregularities in the cornea's shape. The surgeon uses this information to determine the amount and location of corneal tissue to be removed during the surgery. The surgery is performed with the patient awake and functional, nonetheless, the patient is usually given a minor sedating medication and anesthetic drops for the eyes. The operating surgeon operates the lasers, which make all of the cutting. A flap is sliced in the cornea, which is the clear front part of the eye, using a blade or laser. And then, an excimer laser remodels the cornea. The laser vaporizes tissue without inducing damage to the eye. Although relatively uncommon, complications might occur with LASIK or any eye surgeries. Just a few of the more typically reported complications of LASIK are: infection, light sensitive or dry eyes, over or under correction, changes in vision, starbursts or halos around lights, double vision, and disorders with the flap that was created during the surgical procedure. Although LASIK technology is getting better quickly, clinical studies have not completely defined long-term damaging complications. The surgery cannot be reversed.

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