PRK (Photorefractive Keratectomy) Is often a method during which the very best layer of the cornea is eradicated and the laser is then used directly to the cornea. It doesn’t require the generation of the partial thickness corneal flap. Similar to other surgical strategies,LASIK also has some threats and difficulties. https://bentdirectory.com/listings13474399/lasik-eye-surgery-in-delhi-fundamentals-explained