The zonule of Zinn is a ring of fibrous strands connecting the ciliary body with the crystalline lens of the eye. The zonules hold the lens in place and function to change the focusing power of the eye by changing the tension of the zonules by contraction and relaxation of the ciliary muscle. There are two sets of ciliary muscles in the eye. ... Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The ciliary muscle is a muscle that affects zonules in the eye (fibers that suspend the lens in position during accommodation), enabling changes in lens shape for light focusing. ...