Relier Pairs Parts and Functions of the EyeVersion en ligne Match the parts to the functions of the eye. par Jessica Bridges 1 Pupil 2 Optical Nerve 3 Sclera 4 Lens 5 Cornea 6 Iris 7 Retina colored part of the eye that controls the size of the pupil and the amount of light that enters focuses light and allows you to see opening in the middle of the iris that allows light to enter the eye white part of the eye that protects the eye the outermost lens and acts like a window that controls and focuses the entry of light into the eye tissue that lines the back of the eye socket; receives focused light, converts it to signals, and send signals to the brain transfers signals from the retina to the vision centers of the brain