<P> The ciliary muscle / ˈsɪli. ɛər i / is a ring of smooth muscle in the eye 's middle layer ( vascular layer ) that controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humour into Schlemm 's canal . It changes the shape of the lens within the eye , not the size of the pupil which is carried out by the sphincter pupillae muscle and dilator pupillae . </P>
what is the function of the ciliary muscle
controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humour into Schlemm 's canal