Astigmatism

Broader Terms

" Astigmatism is the most common vision problem, but most people don't know what it is.
Astigmatism is often characterized by a dependence of the angle between the chief ray and the optical axis of the lens system, referred to as the field angle (e).
Astigmatism is one of a group of eye conditions known as refractive errors.
Astigmatism is thought to be hereditary, so if you have astigmatism, chances are good your children will have it also.
Signs & Symptoms | Detection & Diagnosis|Treatment Astigmatism Overview Astigmatism means that the cornea is oval like a football instead of spherical like a basketball.
Home 1dc Eye Conditions A-D E-M N-Z 15c Frequently Asked Questions Ask the Expert 1000 Astigmatism Definition | Symptoms| Treatment| Clinic Information Definition Astigmatism usually occurs when the front surface of the eye, the cornea, has an irregular curvature.
With astigmatism, the cornea curves more severely, like a football.

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