Answer:
ciliary body
Explanation:
The association of ciliary muscles known as ciliary body is responsible for keeping the lens at its right position. Ciliary is circular structure which is just extension of iris. Ciliary muscles regulate the shape of eye lens in order to clearly focus on objects.
There are three layers ciliary bodies or IRIS
a) Endothelium,
b) Stroma
c) Epithelium.
