LASIK is a form of laser-guided eye operation designed to minimize or repair disorders with vision. The surgery is performed by ophthalmologists, who are physicians or MDs who specialize in disorders of the eye. LASIK is usually preferable to photorefractive keratectomy (PRK), as it is not as painful and requires less time for full recovery. Prior to LASIK eye surgery, the patient's corneas are analyzed with a computerized scanner and a corneal map is devised. This stage of the procedure also discovers astigmatism as well as other irregularities in the shape of the cornea. The eye surgeon uses this data to find out the amount as well as location of corneal tissue to be removed during the surgery. The surgery is performed while the person is awake and alert, nevertheless, the patient is usually given a minor sedating agent and anesthetic drops for the eyes. The eye surgeon operates the laser machines, which create all of the incisions. 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 remodels the cornea. The laser destroys tissue without creating damage. Although usually uncommon, complications or damage could occur with LASIK or any eye surgeries. A few of of the more frequently reported complications of LASIK typically include: infection, dry or light sensitive eyes, over or under correction, changes in vision, halos or starbursts around lights, double vision, and problems with the flap that was created during the operation. Although LASIK technology is getting better quickly, research has not ascertained long-term or permanent damage. The lASIK procedure is irreversible.

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