Return to the EyeMed Vision Care Home PageEye ConditionsEye IllnessesEye ExamsVision Care for Older AdultsGlossary of Related Terms

Eye Care Basics


Astigmatism

Causes
Astigmatism occurs when the cornea is misshapen to some degree, causing light to focus improperly on the retina.

Symptoms
Astigmatism is a common condition and may affect many people to some degree or another. Symptoms may include:
blurred or distorted vision
headaches
eye strain
fatigue

Diagnosis and Treatment
Most astigmatism is treatable by eyeglasses, contact lenses, or refractive surgery.

Read Next Entry
Read Previous Entry