Where is the second point of attachment for the zonular fibers?

The second point of attachment for the zonular fibers is at the ciliary processes. The zonular fibers, also known as zonules of Zinn, connect the lens to the ciliary body. They originate from the ciliary processes, which are small projections on the inner surface of the ciliary body. These fibers play a crucial role in the process of accommodation, allowing the lens to change shape for focusing on objects at varying distances.

The ciliary processes produce a series of zonular fibers that attach to the equator of the lens, creating stability and enabling the lens to respond to the ciliary muscle's contractions. When the ciliary muscle contracts, the tension on the zonular fibers decreases, allowing the lens to become more rounded for near vision. Thus, understanding the anatomy and function of the ciliary processes is essential in ophthalmic practice, particularly when considering conditions that affect lens shape or function.