Parts of the eye

Parts of the eye 1. cornea transparent front surface of the eye 2. optic nerve the nerve that carries neural impulses from the eye to the brain 3. retina The light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information. 4. vitreous humor soft, jelly-like material behind the lens in the vitreous chamber; helps maintain the shape of the eyeball 5. pupil The adjustable opening in the center of the eye through which light enters. 6. lens The transparent structure behind the pupil that changes shape to help focus images on the retina. 7. aqueous humor fluid in the eye, found between the cornea and the lens 8. iris A ring of muscle tissue that forms the colored portion of