LASIK is a form of laser-guided eye operation which is intended to fix issues with vision. It is carried out by ophthalmologists, who are medical physicians specializing in eye disorders & diseases. LASIK is generally preferred to photorefractive keratectomy, or PRK, as it is less painful and requires less time to heal completely. Prior to having LASIK surgery, the patient's corneas are evaluated with a computer controlled sophisticated scanner and a corneal map is devised. This process also discovers astigmatism and additional deviations in the cornea's shape. The surgeon uses this information to determine the location as well as the amount of corneal material to be eliminated during the operation. The surgery is done with the patient awake and alert, nonetheless, the patient is typically given a mild sedating medication and anesthetic drops for the eyes. The surgeon operates the lasers, which produce all of the incisions. A flap is carved in the cornea, which is the clear front part of the eye, using a laser or a blade. And then, an excimer laser is used to remodel the cornea. The laser vaporizes tissue without causing harm to the eye. Although relatively uncommon, complications can occur with LASIK or other laser or non laser eye surgeries. Just a few of the more commonly reported complications of LASIK can include: infection, dry eyes and light sensitive eyes, under or over correction, fluctuating vision, rings around lights, double vision, and disorders with the flap that was produced during the operation. Although LASIK technology is improving very rapidly, research has not defined long-term complicating problems. The procedure can't be reversed.

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