what is astigmatism
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A common imperfection in the eye's curvature.
With astigmatism, the front surface of the eye or the lens inside the eye is curved differently in one direction than the other.
People may experience:
Common symptoms: blurred vision, eye strain, or headache
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it is type of defect of vision in which eye lens losses it's curvature. cylindrical lens is used to correct this defect of vision
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