how the defect of eye astigmatism can be corrected?
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Astigmatism can be correctedwith eyeglasses, contact lenses, or surgery. ... Refractive Surgery aims to change the shape of the cornea permanently. This change in eyeshape restores the focusing power of the eye by allowing the light rays to focus precisely on the retina for improved vision.
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This defect can be corrected by using cylindrical lens of refractive surgery.
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