The science guy focuses on the anatomy of the human eye and explains how vision occurs. Illustrates how the optic nerve transports impulses to the brain and how the eyes control amounts of light and see color. Demonstrates how lenses in the eyes focus images, explains the function of eyelids, and defines how melanin relates to eye color. Includes a segment on artificial vision, seeing-eye dogs and the blind, and optical illusions.

Award-winning series explores the world of science and nature using humor, music, experiments, and interviews with scientists. DVD features fully indexed chapters correlated to national science standards, downloadable teacher's guide, interactive glossary and quiz, Internet links, and bonus materials.