1. Light Entering the Eye The Cornea, the Iris, the Pupil, and the Lens

2. The Retina The Retina, Rods and Cones, the Fovea, the Bipolar Cells, and the Ganglion cells

3. On The Way to the Brain The Optic Nerve, the Optic Chasm, the Optic Tract, and the Occipital Lobe