The Nervous System

  • Question

    Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions which follow:

    (i) Identify the defect.

    (ii) Name the parts labelled 1, 2 and 3.

    (iii) Give two possible reasons for this eye defect.

    (iv) Draw a labelled diagram to show how the above-mentioned defect is rectified


    (i) Myopia
    1. Vitreous chamber
    2. Yellow spot
    3. Optic nerve
    (iii) Reasons for myopia:
    (a) The eye ball lengthens from front to back.
    (b) The lens becomes too curved.
    (iv) Rectification of myopia.

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