Photorefractive keratectomy (PRK) is the commonest option to LASIK. PRK removes the epithelial layer in the cornea and makes use of a laser to reshape it. LASIK usually takes about 15 minutes for every eye to carry out, which include adding numbing eye drops and changing the corneal flap after https://share.evernote.com/note/69bdbaca-1089-7f09-e015-807a4eeeb5f5