Photorefractive keratectomy (PRK)—a precursor of LASIK eye surgery—is done to treat mild to moderate refractive vision problems: astigmatism, nearsightedness, and farsightedness. The main difference between the two procedures is that PRK involves removing only the outermost layer of the cornea (epithelium), which will naturally regenerate within several days. If you’re tired of wearing contacts or
Read More