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Astigmatism

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Last updated: Sep 12th, 2025
Astigmatism
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Astigmatism is a condition in which the front surface of the cornea of the eye is not truly spherical. For a person with this condition the eye is generally otherwise healthy, but magnification in one direction is greater than in the others. More severe astigmatism causes blurring of lines at a particular angle. The condition can be treated with cylindrical lens glasses or with hard contact lenses. A special toric soft lens is also available now. Cylindrical lenses are shaped like slices from a tube and compensate for the defects of the eye by bending the light rays inward.