LASIK may be used to treat nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. LASIK is an elective procedure which, like any procedure, has potential risks and benefits. In general, indications for surgery must include an appropriate level of nearsightedness, farsightedness, or astigmatism, as well as an educated and properly motivated patient with realistic expectations. The best candidate for LASIK is an individual who desires to be less dependent on glasses or contact lenses, is willing to accept the risks of the procedure, and understands that an enhancement procedure may sometimes be required.
The primary potential risks include postoperative glare, halos or starburst around lights at night, and infection in the cornea with loss of best corrected visual acuity. Fortunately, risks that threaten vision in the eye, such as infection in the cornea, are very rare.
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