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Article: Astigmatism
- Article from:
- Complete Human Diseases and Conditions
CopyrightCOPYRIGHT 2008 Gale Group. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Astigmatism
Who Gets Astigmatism?
What Happens to Vision When People Have Astigmatism?
What Is the Treatment for Astigmatism?
Resources
Astigmatism (a-STIG-ma-tiz-um) is an eye condition that causes objects to appear blurry because the front part of the eye is misshapen.
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Ophthalmology
Optometry
Vision
The eyeball usually is round and nearly the same size as a ping-pong ball. The front part contains a clear layer of tissue called the cornea and the lens that help to focus the light that enters the eye. When people have astigmatism, the cornea and/or the lens is misshapen and their curved surfaces are unequal. ...