LASIK is a form of laser-guided eye operation intended to improve or correct difficulties with eyesight. LASIK is carried out by ophthalmologists, who are physicians or MDs specializing in eye problems. LASIK is typically a preferred alternative to photorefractive keratectomy, or PRK, as it is less painful and requires less time to recover. Prior to LASIK eye surgery, the patient's corneas are evaluated with a computerized scanning device and it creates a map of the cornea. This step of the procedure also discovers astigmatism and other problems in the cornea's shape. The operating surgeon uses this data to find out the location and amount of corneal material to be removed during the surgery. The surgery is carried out while the person is awake, nevertheless, the patient is generally given a mild sedating medication and anesthetizing eye drops. The eye surgeon operates the lasers, which do all of the cutting. A flap is cut in the cornea using a laser or a blade. And then, an excimer laser is used to remodel the cornea. The laser vaporizes tissue without inducing harm to the eye. Although usually uncommon, complicating problems might occur with LASIK or any eye surgeries. A few of of the more frequently reported complications of LASIK typically include: infection, light sensitive or dry eyes, under or over correction, fluctuating vision, rings around lights, double vision, and disorders with the flap made during the surgical procedure. Although LASIK technology is improving quickly, research studies have not completely defined long-term complications or damage. The surgical procedure can't be reversed.

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