LASIK is a type of laser-guided operation to the eye designed to correct disorders with eyesight. The surgical procedure is performed by ophthalmologists, who are mDs who specialize in eye disorders and diseases. LASIK is commonly a preferred alternative to pRK eye surgery, as it is less painful and requires less time for healing. Prior to LASIK surgery, the patient's corneas are analyzed with a computerized scanner and the cornea is mapped out. This procedure also spots astigmatism and also additional peculiarities in the shape of the cornea. The eye surgeon uses this information to calculate the location as well as the amount of corneal tissue to be removed during the surgery. The surgery is carried out with the patient awake, but, the patient is typically given a modest sedating agent and anesthetic eye drops. The surgeon operates the lasers, which make all of the incisions. A flap is cut 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 causing injury to the eye. Although relatively uncommon, complications may occur with LASIK or any type of eye surgeries. Some of the more commonly reported complications of LASIK typically include: infection, dry or light sensitive eyes, under or over correction, fluctuations in vision, halos or starbursts around lights, double vision, and disorders with the flap that was made during the surgery. Although LASIK technology is getting better quickly, studies have not ascertained long-term damaging complications. The process is irreversible.

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