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Question

Give the biological/technical term for the following:

An eye defect in which the cornea becomes uneven.


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Solution

Astigmatism

  1. In this vision defect, there is uneven curvature of the cornea.
  2. In such cases the light gets scattered instead of focusing on one point leading to formation of blurred image.
  3. It is can be rectified using cylindrical lenses.

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