PSY 1001 Lecture Notes - Lecture 6: Cornea, Retina

• School: University of Iowa
• Department: Psychology
• Course: PSY 1001
• Professor: Poremba Amy

Document Summary

Cornea - transparent outer portion of the eyeball; covers the iris and pupil (skin for the eye) Pupil - adjustable opening in the center of the eye. Iris ring of muscle that forms the colored portion of the eye; controls the size of the pupil opening. Lens transparent structure behind pupil; changes shape to focus images on the retina. Retina light sensitive inner surface of the eye; contains receptor rods and cones and layer of neurons. Optic nerve carries neural impulses form the eye to the brain. Blind spot point at which the optic nerve leaves the eye; no receptor cells located there.