Astigmatism

Astigmatism might be the most misunderstood vision problem. Even the name is challenging to many people, who incorrectly call it “stigmatism.”

Like nearsightedness and farsightedness, astigmatism is a refractive error, meaning it is not an eye health problem; it simply is a problem with how the eye focuses light.

In an eye with astigmatism, light fails to come to a single focus on the retina to produce clear vision. Instead, multiple focus points occur, either in front of or behind the retina (or both).

Please read more on http://www.allaboutvision.com/conditions

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