PRK (Photorefractive Keratectomy) is usually a technique where the best layer of the cornea is taken off plus the laser is then used on to the cornea. It doesn’t involve the creation of the partial thickness corneal flap. The corneal flap By natural means reattaches without the need of stitches https://ourbigdirectory.com/listings13454252/not-known-facts-about-lasik-eye-surgery-in-delhi