Astigmatism

Definitions

Overview

Astigmatism is a common imperfection in the eye's curvature. The front surface of the eye or the lens inside the eye is curved differently in one direction than the other.

Symptoms

Symptoms of astigmatism may include:

  • Blurred vision.
  • Eyestrain.
  • Headaches.
  • Trouble seeing at night.
  • Squinting.

Treatments

Treatments include prescription eyeglasses or contact lenses. Laser-assisted surgery, such as LASIK, also may help.