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The size of pupil is controlled by the
The size of pupil is controlled by the
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The correct option is D Iris muscles
The pupil is the opening in the centre of the iris. The size of the pupil determines the amount of light that enters the eye. The circumferential sphincter muscle found in the margin of the iris, innervated by the parasympathetic nervous system: and the iris dilator muscle, running radially from the iris root to the peripheral border of the sphincter. control the pupil size.
The pupil is the opening in the centre of the iris. The size of the pupil determines the amount of light that enters the eye. The circumferential sphincter muscle found in the margin of the iris, innervated by the parasympathetic nervous system: and the iris dilator muscle, running radially from the iris root to the peripheral border of the sphincter. control the pupil size.
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