Vision problems such as nearsightedness, farsightedness, and astigmatism are treatable by two widely used refractive eye surgeries: LASIK, which means laser-assisted in situ keratomileusis, and PRK, which means photorefractive keratectomy.
Despite their shared goal of correcting vision, these procedures differ in their techniques and approaches.
In LASIK, a precise laser is employed to create a thin flap in the cornea, the transparent outer…