PRK (Photorefractive Keratectomy) is often a process through which the highest layer on the cornea is removed and the laser is then applied directly to the cornea. It doesn’t involve the development of a partial thickness corneal flap. Maybe you have blurred vision for just a couple of hrs once https://pulsardirectory.com/listings13479865/lasik-eye-surgery-in-delhi-no-further-a-mystery