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Iris sphincter muscle

Iris sphincter muscle

Muscle in the eye which constricts the pupil.

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Share of the 280 clicks on its links

  1. Iris dilator muscle

    Smooth muscle of the eye.

    49%

  2. Iris (anatomy)

    Colored part of an eye.

    19%

  3. Ciliary muscle

    Eye muscle which is used for focusing.

    15%

  4. Accommodation reflex

    Reflex action of the human eye.

    8.6%

  5. Short ciliary nerves

    Nerves of the orbit around the eye.

    5%

  6. Intraocular muscles

    Intrinsic muscles of the eye.

    3.6%

Readers come from

Share of the 653 readers arriving from another article

  1. Iris (anatomy)

    Colored part of an eye.

    20%

  2. Sphincter

    Circular muscle that normally maintains constriction of a natural body passage or orifice.

    18%

  3. Ciliary muscle

    Eye muscle which is used for focusing.

    14%

  4. Pupillary response

    Physiological response that varies the size of the pupil.

    14%

  5. Mydriasis

    Excessive dilation of the pupil.

    11%

  6. Iris dilator muscle

    Smooth muscle of the eye.

    9%

  7. Smooth muscle

    Involuntary non-striated muscle.

    7.7%

  8. Intraocular muscles

    Intrinsic muscles of the eye.

    5.7%

  9. Extraocular muscles

    Seven extrinsic muscles of the eye.

    1.5%