Astigmatism : Causes
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Causes could include:
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No known cause
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The cause of astigmatism is unknown. It is usually present from birth, and often occurs together with nearsightedness or farsightedness. A minor degree of astigmatism is considered normal and does not require correction. Astigmatism is very common.
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Astigmatism is the result of an inability of the cornea to properly focus an image onto the retina. The result is a blurred image.
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Astigmatism results from an inability of the cornea to properly focus an image as a single point onto the retina, instead focusing the image on two different locations. The result is a blurred image.
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Astigmatism is a problem of visual distortion caused by a misshapen cornea. The cornea acts as a focusing lens for the eye. If the cornea does not have the proper shape, the eye is unable to properly focus an image. Most people have a certain degr...
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