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    Question

    Presbyopia is a visual defect caused

    by:
    A elongation of the eyeball Correct Answer Incorrect Answer
    B shortened curvature of the eye lens Correct Answer Incorrect Answer
    C weakening of the ciliary muscles Correct Answer Incorrect Answer
    D gradually increasing flexibility of the eye lens Correct Answer Incorrect Answer

    Solution

    Presbyopia occurs due to the weakening of the ciliary muscles and loss of elasticity of the lens, making it difficult to focus on near objects. It is common with aging. Information Booster:

    1. Corrected using bifocal lenses.
    2. It combines symptoms of both hypermetropia and difficulty in lens accommodation.
    3. Commonly affects individuals over 40 years old.

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