LASIK is a type of laser operation to the eye intended to remedy troubles with sight. The operation is performed by ophthalmologists, who are medical physicians who specialize in eye disorders. LASIK is usually preferable to photorefractive keratectomy (PRK), as it is less pain-producing and requires less time to recover. Prior to having LASIK eye surgery, the patient's corneas are examined with a computerized sophisticated scanning device and it creates a map of the cornea. This stage of the procedure also spots astigmatism and other peculiarities in the cornea's shape. The eye surgeon uses this information to calculate the amount and location of corneal tissue to be removed during the operation. The operation is done with the person awake, nevertheless, the person is often given a mild sedating drug and anesthetizing eye drops. The operating surgeon operates the lasers, which produce all of the incisions. A flap is cut in the cornea using a laser or a blade. Later, an excimer laser is used to remodel the cornea. The laser vaporizes tissue without creating damage. Although relatively uncommon, complicating problems might occur with LASIK or any type of eye surgeries. Just some of the more commonly reported complications of LASIK can include: infection, light sensitive and dry eyes, over or under correction, fluctuating vision, halos or starbursts around lights, doubled vision, and troubles with the flap made during the operation. Although LASIK technology is getting better rapidly, research studies have not determined long-term damaging complications. The process can't be reversed.

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