LASIK is a form of laser-guided surgery to the eye meant to correct troubles with vision. The operation is performed by ophthalmologists, who are mDs who specialize in eye disorders & diseases. LASIK is typically a preferred alternative to photorefractive keratectomy, or PRK, as it is much less painful and requires less time for full recovery. Before having LASIK eye surgery, the patient's corneas are examined with a computerized scanner and a map of the cornea is created. This process also discovers astigmatism and also other deviations in the shape of the cornea. The eye surgeon uses this data to compute the location and amount of corneal material to be removed during the operation. The surgery is carried out while the patient is awake, nonetheless, the person is usually given a mild sedating drug and anesthetizing drops in the eyes. The eye surgeon operates the laser machines, which produce all of the incisions. A flap is cut in the cornea, which is the clear front part of the eye, using a blade or laser. Then an excimer laser remodels the cornea. The laser destroys tissue without inducing damage. Although usually uncommon, complications or damage might occur with LASIK or non laser forms of eye surgeries. Some of the more frequently reported complications of LASIK are: infection, light sensitive and dry eyes, under or over correction, fluctuating vision, starbursts or halos around lights, doubled vision, and troubles with the flap created during the operation. Although LASIK technology is improving rapidly, research studies have not proven long-term or permanent damage. The procedure can't be reversed.

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