LASIK surgery has gained popularity over the years as a way to treat vision impairments, but another option that some may consider is LASEK surgery. LASEK is a type of laser eye surgery that's often considered when LASIK isn't an option. Synonyms for LASEK include Epi-LASIK, PRK, surface ablation, and LASEK with MMC. Epi-LASIK is similar to LASEK, but the surgeon uses a blade to create a flap in the cornea before using a laser to reshape it. PRK involves removing a thin layer of the cornea's surface before utilizing a similar laser to reshape it. Surface ablation is an umbrella term for any laser surgery that doesn't require cutting a flap in the cornea.