Astigmatism
Astigmatism occurs when the cornea is curved unevenly, more like a football than a basketball. Light passing through an uneven cornea is not properly focused on the retina. Distance and close vision may both be blurry. Learn more about astigmatism symptoms, astigmatism diagnosis and astigmatism treatment at http://www.geteyesmart.org.
Watch video Astigmatism online without registration, duration hours minute second in high quality. This video was added by user EyeSmart — American Academy of Ophthalmology 23 November 2010, don't forget to share it with your friends and acquaintances, it has been viewed on our site 26,440 once and liked it 103 people.