who controls pupil's size?
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There are two important muscles that help in controlling the size of the pupil of the eye.
They are the circumferential sphincter muscle, which is found in the margin of the iris.
While the other is the iris dilator muscle, which runs from the root of the iris to that of the peripheral border of the sphincter.
They are the circumferential sphincter muscle, which is found in the margin of the iris.
While the other is the iris dilator muscle, which runs from the root of the iris to that of the peripheral border of the sphincter.
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Answer:
There are two important muscles that help in controlling the size of the pupil of the eye.
They are the circumferential sphincter muscle, which is found in the margin of the iris.
While the other is the iris dilator muscle, which runs from the root of the iris to that of the peripheral border of the sphincter.
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