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  Eye Info: Astigmatism
NORMAL VISION
NEARSIGHTEDNESS
FARSIGHTEDNESS
ASTIGMATISM
PRESBYOPIA
   

Astigmatic Eye

Astigmatism is that condition wherein the refraction varies in different meridians of the eye. It occurs when light entering the eye is "split" into two separate parts instead of focusing on one precise point on the retina. Astigmatism is commonly caused by abnormalities in the curvature of the cornea. If you are astigmatic, you will experience a distortion or blurring of images at all distances, nearby as well as distant.

Symptoms of Astigmatism

Astigmatism may cause blurred vision, eyestrain or even headaches. It can also cause images to appear doubled, particularly at night.

Astigmatic Vision
What an astigmatic person sees

Treatment

Astigmatism can be corrected with appropriate eyeglasses or "Toric" lenses.

 
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