Bill Nye focuses his attention on the body's window to the world--the eyeball. Bill also interviews a seeing-eye dog trainer and a virtual reality designer, and demonstrates how a 3-D movie works.

Originally an episode of the television program Bill Nye, the science guy. Features: fully indexed "chapters" correlated to National Science Standards; interactive glossaries and quizzes; bonus footage of never-before-seen segments, interviews, and demos; on-disk implementation guide.