Young Red Haired Girl With Blue Eyes Shows Off In The Bed

A change in the curvature of the lens, accommodation is carried out by the ciliary muscles surrounding the lens contracting. This narrows the diameter of the ciliary body, relaxes the fibers of the suspernsory ligament, and allows the lens to relax into a more convex shape. A more convex lens refracts light more strongly and focuses divergent light rays onto the retina allowing for closer objects to be brought into focus.
Effects of aging
There are many diseases, disorders, and age-related changes that may affect the eyes and surrounding structures.