Astigmatism

General Information

Links to Specific Eye Conditions and Web Sites with Medical Information Search Engines

This site is an excellent resource, containing a comprehensive list of sites related to eye conditions or disorders and general information about visual impairment and blindness.

What Is Astigmatism?

Astigmatism is one of a group of eye conditions known collectively as "refractive errors." Astigmatism is caused by a change in shape in the cornea. The cornea should be spherical, like a ball. With astigmatism, the cornea is oval like a football instead.