LASIK is a form of laser eye operation intended to cure or improve troubles with vision. The surgery is carried out by ophthalmologists, who are medical physicians who specialize in diseases and disorders of the eye. LASIK is commonly preferable to photorefractive keratectomy, or PRK, as it is less painful and requires less time for full recovery. Before having LASIK surgery, the patient's corneas are evaluated with a computerized sophisticated scanning device and a corneal map is created. This step of the process also spots astigmatism & additional problems in the shape of the cornea. The operating surgeon uses this data to ascertain the location as well as the amount of corneal material to be eliminated during the surgery. The operation is done while the person is awake, still, the patient is typically given a modest sedative and anesthetic drops in the eyes. The eye surgeon operates the lasers, which make all of the incisions. A flap is sliced in the cornea, which is the clear front part of the eye, using a laser or a blade. Afterwards, an excimer laser remodels the cornea. The laser destroys tissue without creating injury to the eye. Although usually uncommon, complicating problems might occur with LASIK or any eye surgeries. A number of the more commonly reported complications of LASIK are: infection, light sensitive or dry eyes, under or over correction, fluctuating vision, halos or starbursts around lights, doubled vision, and problems with the flap that was created during the operation. Although LASIK technology is improving quickly, research has not proven long-term complicating problems. The eye surgery can't be reversed.

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