PYQ Vault
EbooksTutor

Presbyopia and far-sightedness

This type of question, asked 4 times: 2023, 2024, 2025, 2026. All 7 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2023

    25 (b)
    It is observed that the power of an eye to see nearby objects as well as far off objects diminishes with age. (i) Give reason for the above statement. (ii) Name the defect that is likely to arise in the eyes in such a condition. (iii) Draw a labelled ray diagram to show the type of corrective lens used for restoring the vision of such an eye.

  2. Question 2

    2024

    25
    A person suffering from presbyopia needs bifocal lens. If he needs two lens of power −4⋅0-4{\cdot}0 dioptre and +2⋅0+2{\cdot}0 dioptre, which one of these two lenses is for the correction of distant vision and what is its focal length ?

  3. Question 3

    2024

    14
    In bifocal lenses used for the correction of presbyopia :

    Tap an option to check your answer.

  4. Question 4

    2025

    14
    An old person is suffering from an eye defect caused by weakening of ciliary muscles and diminishing flexibility of the eye lens. If the defect of vision is ‘a’ which can be corrected by lens ‘b’, then ‘a’ and ‘b’ respectively are :

    Tap an option to check your answer.

  5. Question 5

    2026

    31
    Vision defect far-sightedness is found in the eye defects named as :

    Tap an option to check your answer.

  6. Question 6

    2026

    31
    The vision defect which arises due to gradual weakening of the ciliary muscles and diminishing flexibility of eye lens is :

    Tap an option to check your answer.

  7. Question 7

    2026

    34 (B)
    Draw a ray diagram to show the correction of eye defect of an old man who can not see an object placed closer than 1 m from his eye, clearly.