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The size of pupil is controlled by the...

The size of pupil is controlled by the

A

ciliary muscles

B

suspensory ligaments

C

cornea

D

iris muscles

Text Solution

Verified by Experts

The correct Answer is:
D
The size of pupil is controlled by two types of muscles of iris, circular muscles and radial muscles.Radial muscles contract in dim light and circular muscles contract in bright light.
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Knowledge Check

  • Aperture of pupil is controlled by

    A
    Conjunctiva
    B
    Cornea
    C
    Iris
    D
    Retina

  • Aperture of pupil controlled by

    A
    conjunctiva
    B
    cornea
    C
    iris
    D
    retina

  • The size of pupil decreases due to the contraction of

    A
    Radial muscles
    B
    Circular muscles
    C
    Both circular and radial muscles
    D
    Nictiating membrane

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