astigmatism meaning

Sun, 03 May 2026 18:19:19 +0000

Astigmatism (uh- STIG-muh-tiz-um) is a common and generally treatable imperfection in the curvature of the eye that causes blurred distance and near vision. Astigmatism occurs when. There are three primary types of astigmatism: myopic astigmatism, hyperopic astigmatism, and mixed astigmatism. Cases can be classified further, such as regular or irregular and lenticular or corneal. Astigmatism happens when the cornea or lens has an irregular curvature. Many people have astigmatism along with myopia or hyperopia, which is why prescriptions often include all three. Astigmatism is a common eye problem that can make your vision blurry or distorted. It happens when your cornea (the clear front layer of your eye) or lens (an inner part of your eye that.