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.