A person suffering from which of the following optical defects is prescribed cylindrical glasses?

Options :
  1. Night blindness
  2. Myopia
  3. Astigmatism
  4. Hypermetropia

Answer and Explanation :-

Answer: Option 3


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We cast a shadow on something wherever we stand, and it is no good moving from place to place to save things because the shadow always follows. Choose a place where you won't do harm - yes, choose a place where you won't do very much harm, and stand in it for all you are worth, facing the sunshine.
-E.M. Forster A Room with a View