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Ciliary muscle facts for kids

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Ciliary muscle
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The choroid and iris. (Ciliary muscle is labeled near top.)
Latin musculus ciliaris
Artery long posterior ciliary arteries
Vein Vorticose vein
Nerve short ciliary
From oculomotor nerve
Through ciliary ganglion

Sympathetic postganglionic fibers from sup. cervical ganglia.

The ciliary muscle is a ring of smooth muscle in the eye's middle layer that controls the viewing of objects at varying distance. It changes the shape of the lens within the eye, not the size of the pupil.

Gray878
Iris, front view.
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Ciliary muscle Facts for Kids. Kiddle Encyclopedia.