Your eyes can see clearly thanks to your iris, which controls your pupil. The iris causes the size of your pupil to change continuously and without your control.The term for this is the pupillary light reflex.
Behind the iris, the clear portion of the eye known as the lens aids in focusing light on the retina. It enables the eye to concentrate on both distant and close objects. The colorful iris is a component of the eye. It controls how much light passes through the pupil of the eye and into the eye.
Therefore, acts as a diaphragm to control how much light enters the eye. By lowering spherical aberrations and enhancing depth perception, it guards against too much light reaching the retina.
Learn more about iris here:
https://brainly.com/question/4190629
#SPJ1
