LASIK is a type of laser eye operation intended to remedy problems with vision. LASIK is carried out by ophthalmologists, who are physicians specializing in eye disorders and diseases. LASIK is commonly a preferred alternative to photorefractive keratectomy, or PRK, as it is not as painful and requires less time to recover. Before having LASIK eye surgery, the patient's corneas are evaluated with a computer driven sophisticated scanning device and a map of the cornea is made. This procedure also detects astigmatism or additional peculiarities in the cornea's shape. The operating surgeon uses this information to compute the location as well as the amount of corneal material to be eliminated during the surgery. The surgery is done while the patient is awake, nonetheless, the person is generally given a minor sedative and anesthetizing drops in the eyes. The surgeon operates the lasers, which create all of the incisions. A flap is sliced in the cornea using a blade or laser. Afterwards, an excimer laser remodels the cornea. The laser destroys tissue without creating damage or injury. Although relatively uncommon, complications might occur with LASIK or any method of eye surgeries. A number of the more frequently reported complications of LASIK can include: infection, dry eyes and light sensitive eyes, over or under correction, fluctuating vision, rings around lights, doubled vision, and troubles with the flap created during the surgery. Although LASIK technology is improving very rapidly, scientists have not completely determined long-term damaging complications. The procedure cannot be reversed.

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