LASIK is a type of laser-guided eye operation which is intended to correct or lessen troubles with vision. It is carried out by ophthalmologists, who are mDs specializing in diseases and disorders of the eye. LASIK is usually preferred to photorefractive keratectomy, or PRK, as it is less painful and requires less time for healing. Before having LASIK eye surgery, the patient's corneas are evaluated with a computer controlled sophisticated scanning device and it makes a map of the cornea. This stage of the process also discovers astigmatism and other deviations in the cornea's shape. The eye surgeon uses this information to calculate the amount as well as location of corneal tissue to be removed during the surgery. The operation is performed with the patient awake and alert, nonetheless, the patient is often given a minor sedating medication and anesthetizing drops for the eyes. The eye surgeon operates the lasers, which make all of the cutting. A flap is cut in the cornea using a blade or a laser. And then, an excimer laser remodels the cornea. The laser vaporizes tissue without inducing damage or injury. Although relatively uncommon, complicating problems could occur with LASIK or any eye surgeries. Just a few of the more typically reported complications of LASIK typically include: infection, dry or light sensitive eyes, over or under correction, changing vision, halos or starbursts around lights, double vision, and troubles with the flap that was produced during the surgical procedure. Although LASIK technology is getting better rapidly, studies have not ascertained long-term complications or damage. The process is irreversible.

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