With PRK, the outer surface layer of your cornea, called the epithelium, is removed. A computer-controlled laser is programmed to reshape your cornea. The laser removes tissue, either decreasing the curve of the cornea to correct nearsightedness or increasing the curve to correct farsightedness. Learn more at http://www.geteyesmart.org.
Watch video Photorefractive Keratectomy PRK online without registration, duration hours minute second in high quality. This video was added by user EyeSmart — American Academy of Ophthalmology 03 December 2010, don't forget to share it with your friends and acquaintances, it has been viewed on our site 5,594 once and liked it 11 people.