How does PTK differ from PRK?

Jan 29, 2024 ... PRK (photorefractive keratectomy), also referred to as Surface Treatment or AST (advanced surface treatment), is a procedure that may be able to correct your ... PRK Vision Correction. First introduced in the 1980s, Photorefractive Keratectomy (PRK) is the original laser vision correction procedure. To perform PRK ... PRK is a form of refractive surgery that we offer at Beach Cities Laser Vision. It corrects your eyesight by changing the shape of your cornea with a laser. PRK, or Photorefractive Keratectomy, is a refractive laser vision correction procedure that corrects nearsightedness, farsightedness, and astigmatism. PRK is a popular LASIK alternative that offers the same visual benefits and can help you achieve the eyesight of your dreams. Dec 28, 2023 ... PRK eye surgery, also known as photorefractive keratectomy, is a procedure that involves ablating the top layer of the cornea. PRK is typically reserved for patients whose corneas are too thin for LASIK or who possess corneal issues prior to surgery. You and your surgeon will decide ... Expect a six-to-eight-week recovery time. At four weeks, patients are generally recovering well, and their vision has improved to the 90% to 95% range. The PRK procedure starts with removing the outer layer of the cornea, known as the epithelium. Once the epithelium is removed, a laser reshapes the underlying ... PRK is a refractive surgery that is intended to reduce your dependence on glasses and contacts. The surgery uses a laser to re-shape the cornea.