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The meaning of STIGMATISM is the condition of an optical system (such as a lens or mirror) in which rays of light from a single point converge in a single focal point.
Astigmatism is an imperfection in the curvature of your eye’s cornea or lens. In this article: Video: What Is Astigmatism? What Is the Main Cause of Astigmatism? How Does Astigmatism Affect Vision? How Can You Tell if You Have Astigmatism? Astigmatism Diagnosis. How Is Astigmatism Corrected? Video: LASIK for Astigmatism.
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 either the front surface of the eye (cornea) or the lens inside the eye has mismatched curves.
Astigmatism is a condition in which your eye, especially your cornea or the clear front part of the eyeball, isn’t completely round. DID YOU KNOW. Almost all of us have some degree of astigmatism....
noun. Optics. the property of a lens that is stigmatic. Pathology. a condition in which stigmata are present. stigmatism. / ˈstɪɡməˌtɪzəm / noun. physics the state or condition of being anastigmatic. pathol the condition resulting from or characterized by stigmata.
1. the condition characterized by the presence of stigmas or stigmata. 2. the condition of a lens, and the normal condition of the eye, in which rays of light from a single point are focused upon a single point.
Eye astigmatism is a refractive defect that happens when the cornea or shape of the eye has an irregular shape. This means when the light enters the eye it focuses on more than one point on the retina at various angles, this then causes distorted or blurred vision.
A stigmatism is an eye condition caused by the cornea, the lens or the entire eyeball becoming distorted in shape. A stigmatism causes blurry vision or even blindness, significantly impacting the person’s life.
n. 1. The condition of being affected by stigmata. 2. The state of a refracting or reflecting system in which light rays from a single point are accurately focused at another point. 3. Normal eyesight. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Astigmatism is a common vision problem caused by an error in the shape of the cornea. Symptoms can differ from person to person but may include blurry vision and difficulty seeing at...