Question

what is the function of iris and the muscles connected to the lens in human eye.​

Answer 1

The iris has an adjustable circular opening called the pupil, which can expand or contract to control the amount of light entering the eye, Fromer said. Ciliary muscles surround the lens. The muscles hold the lens in place but they also play an important role in vision.

Answer 2

The iris sphincter muscle is a muscle that is a part of the eye called the iris. It encircles the pupil of the iris, appropriate to its function as a constrictor of the pupil.

The iris has an adjustable circular opening called the pupil, which can expand or contract to control the vision and is regulated by the ciliary muscles(muscle connected), surround the lens.