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10th Class Science Human Eye and Colourful World Question Bank The Human Eye and the Colourful World

  • question_answer
    Which of the following defects are corrected by using a convex lens?

    A)  Myopia, Hypermetropia

    B)  Hypermetropia, presbyopia

    C)  Myopia, presbyopia

    D)  Myopia, Cataract

    Correct Answer: B

    Solution :

    Actually, presbyopia is a special kind of hypermetropia. Presbyopia is hyper metropia (or long-sightedness caused by the loss of power of accommodation of the eye due to old age. Presbyopia and hypermetropia are corrected in the same way using a convex lens.


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