Laser in situ keratomileuses (LASIK) is the most common type of laser eye surgery performed in the US. An excimer laser is used to make a flap in the outer layer of the corneal tissue (the epithelium) to access the cornea. The laser is then used to reshape the cornea to focus light properly, and the flap is replaced to act as a natural bandage.
LASIK typically provides minimal discomfort and rapid vision recovery.
LASIK can correct refractive errors caused by myopia, hyperopia, and astigmatism.
Similar to LASIK, photorefractive keratectomy (PRK) also involves the use of a laser to reshape the cornea. However, the epithelium is removed entirely to expose the cornea underneath. An excimer laser is used to shape the cornea in the same way performed in LASIK, and then a specialized lens is placed on top to act as a bandage.
PRK may cause moderate discomfort and blurred vision during healing that can sometimes take several weeks to completely resolve.
PRK is a suitable procedure to correct myopia, hyperopia, and astigmatism, and may be a better option for individuals with thin corneas.
We strongly recommend having a comprehensive eye examination before deciding on a procedure.
