LASIK is a type of laser eye operation which is intended to cure or improve troubles with vision. The surgery is performed by ophthalmologists, who are physicians or MDs specializing in diseases and disorders of the eye. LASIK is usually preferred to pRK eye surgery, as it is much less painful and requires less time for healing. Prior to having LASIK surgery, the patient's corneas are examined with a computer controlled sophisticated scanner and a map of the cornea is created. This stage of the procedure also spots astigmatism & additional problems in the cornea's shape. The eye surgeon uses this data to judge the amount as well as location of corneal tissue to be eliminated during the surgery. The operation is carried out while the patient is awake and functional, nonetheless, the patient is typically given a mild sedating drug and anesthetic eye drops. The operating surgeon operates the laser machines, which create all of the cutting. A flap is sliced in the cornea, which is the clear front part of the eye, using a blade or laser. Then an excimer laser is used to remodel the cornea. The laser destroys tissue without inducing injury to the eye. Although relatively uncommon, complications or damage could occur with LASIK or any eye surgeries. A number of the more commonly reported complications of LASIK can include: infection, light sensitive and dry eyes, under or over correction, changing vision, halos or starbursts around lights, doubled vision, and disorders with the flap produced during the surgery. Although LASIK technology is getting better quickly, clinical studies have not ascertained long-term damaging complications. The procedure can't be reversed.

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