Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    A cylindrical lens is required to correct

    A)  myopia                               

    B)  presbyopia

    C)  hypermetropia               

    D)  astigmatism

    Correct Answer: D

    Solution :

    A person suffering from astigmatism cannot see horizontal   and   vertical   lines   clearly, simultaneously. It is due to imperfect spherical nature of eye lens. This defect can be removed by using cylindrical lens.


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