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PRK laser eye surgery is an older procedure than LASIK, and most surgeons and patients today prefer LASIK, which has a shorter recovery time with fewer reports of pain than PRK.
However, PRK still has a place in the laser surgeon's practice. It is a useful option for patients whose corneas are too thin to make LASIK an option, or for patients who have moderately dry eyes.
Clinical trials in which patients received LASIK in one eye and PRK in the other showed that the result as far as their final visual acuity was much the same. The primary difference was in the recovery time and level of discomfort.