PRK (Photorefractive Keratectomy) Is often a course of action in which the highest layer of the cornea is taken out and also the laser is then used on to the cornea. It doesn’t include the creation of the partial thickness corneal flap. Eyesight difficulties which include myopia, hyperopia and astigmatism https://wekurehealth.com/best-lasik-eye-surgery-in-delhi/