The sense of sight is explored, and the science of the eye is explained. From the "Human Senses" series.
National Geographic Society, c/o Educational Services, PO Box 98019, Washington, DC 20090, Phone: (202)857-7378, Toll-free: 800-627-5162, Fax: (202)857-7300, Email: email@example.com/foundation, URL: http://www.nationalgeographic.com/foundation
Running time 15 minutes.
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