LASIK is a type of laser-guided operation to the eye which is intended to fix issues with sight. The surgical procedure is carried out by ophthalmologists, who are physicians or MDs specializing in eye disorders & diseases. LASIK is generally preferable to pRK surgery, as it is not as painful and requires less time to recover. Prior to LASIK eye surgery, the patient's corneas are analyzed with a computer controlled sophisticated scanning device and a corneal map is created. This step of the process also discovers astigmatism or other deviations in the cornea's shape. The eye surgeon uses this data to calculate the location as well as the amount of corneal material to be removed during the surgery. The surgery is carried out while the person is awake and functional, however, the person is generally given a mild sedating medication and anesthetic drops in the eyes. The 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. Subsequently, an excimer laser remodels the cornea. The laser destroys tissue without creating harm to the eye. Although usually uncommon, some complications do occur with LASIK or any type of eye surgeries. Just a few of the more typically reported complications of LASIK can include: infection, dry or light sensitive eyes, over or under correction, changing vision, halos or starbursts around lights, double vision, and disorders with the flap that was made during the surgical procedure. Although LASIK technology is improving rapidly, research has not ascertained long-term complications. The eye surgery can't be reversed.

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