Retina, iris, pupil, cornea, lens, etc. how do these eye parts function?

The functions of eyes parts are as follows:

Retina: The rays of light focused on the retina by the cornea and lens. The retina produces an image which is sent along the optic nerve of the brain.

Iris: It changes the size of pupil and allows different amount of life to enter the eyes.

Pupil: The light enters to the eyes through it.

Cornea: It forms the outer coating of the eyeball and covers the iris and pupil.

Lens:

grad-point “it contracts and expands to control the amount of light that enters the eye” for iris

Explanation:

hope it mark me as brainlieast.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.