LASIK is a form of laser-guided eye surgery meant to correct or at least minimize problems with vision. LASIK is carried out by ophthalmologists, who are physicians or MDs who specialize in eye disorders and diseases. LASIK is commonly preferred to pRK (photorefractive keratectomy), as it is not as painful and requires less time for full recovery. Before having LASIK surgery, the patient's corneas are analyzed with a computer driven sophisticated scanner and it makes a map of the cornea. This procedure also picks up astigmatism or other peculiarities in the cornea's shape. The operating surgeon uses this information to judge the amount as well as location of corneal tissue to be removed during the surgery. The operation is performed while the person is awake and alert, even so, the person is usually given a modest sedating drug and anesthetic drops in the eyes. The surgeon operates the laser machines, which create all of the incisions. A flap is sliced in the cornea, which is the clear front part of the eye, using a laser or blade. And then, an excimer laser is used to remodel the cornea. The laser destroys tissue without creating damage. Although usually uncommon, some complications may occur with LASIK or any eye surgeries. Some of the more regularly reported complications of LASIK include: infection, dry or light sensitive eyes, under or over correction, fluctuating vision, halos or starbursts around lights, double vision, and issues with the flap that was produced during the surgical procedure. Although LASIK technology is getting better rapidly, studies have not defined long-term or permanent damage. The eye surgery cannot be reversed.

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