PRK or photorefractive keratectomy, is a first generation Laser Vision Correction technique that is used to correct mild to moderate refractive errors such as myopia, hyperopia, and astigmatism. Dr Arushi Garg, consultant in the Department of Cornea and Laser Refractive Correction in Narayana Nethralaya Eye Hospital, talks about the difference between PRK and LASIK, and when PRK is a better option for vision correction. For Any Queries, Contact our Cornea Helpline: 09449037329 #PRK #Photorefract

Photorefractive Keratectomy (PRK)

What Is Photorefractive Keratectomy (PRK)?

St. Luke’s Photorefractive Keratectomy (PRK) is a safe and effective laser procedure that corrects vision so you can enjoy life without the hassle of glasses or contact lenses. With trusted eye specialists and advanced technology, St. Luke’s Quezon City ensures precise, expert care for your vision correction journey. Take the first step toward clearer, sharper eyesight today! #StLukesPH #ClearVision #LifeWithoutGlasses #PRK | St. Luke's Medical Center

SOLVED:Photorefractive keratectomy (PRK) is a laser-based surgical procedure that corrects near- and farsightedness by removing part of the lens of the eye to change its curvature and hence focal length. This procedure can remove layers 0.25 μm thick using pulses lasting 12.0  ns from a laser beam of wavelength 193 nm . Low-intensity beams can be used because each individual photon has enough energy to break the covalent bonds of the tissue. (a) In what part of the electromagnetic spectrum does