LASIK is a type of laser-guided eye operation intended to remedy issues with vision. It is carried out by ophthalmologists, who are physicians or MDs who specialize in disorders of the eye. LASIK is generally preferred to pRK surgery, as it is less painful and requires less time for full recovery. Before having LASIK eye surgery, the patient's corneas are analyzed with a computerized scanning device and a corneal map is devised. This procedure also picks up astigmatism and also other peculiarities in the cornea's shape. The eye surgeon uses this data to determine the location as well as the amount of corneal tissue to be removed during the operation. The surgery is done with the patient awake and alert, nonetheless, the person is typically given a minor sedating drug and anesthetic drops in the eyes. The eye surgeon operates the laser machines, which produce all of the cutting. A flap is sliced in the cornea using a blade or laser. Subsequently, an excimer laser remodels the cornea. The laser destroys tissue without inducing injury or damage. Although relatively uncommon, complicating problems may occur with LASIK or any type of eye surgeries. A few of of the more frequently reported complications of LASIK are: infection, light sensitive or dry eyes, over or under correction, fluctuations in vision, starbursts or halos around lights, doubled vision, and disorders with the flap that was produced during the surgical procedure. Although LASIK technology is improving very rapidly, research has not characterized long-term or permanent damage. The process cannot be reversed.

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