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Sighting the First Sense
Perception is an awareness of the environment through interaction. Site explains how we peceive our world through our eyes and includes a discussion board for people to share their thoughts.
http://library.thinkquest.org/C001464/cgi-bin/view.cgi?show_item=perception
Sighting the First Sense - Seeing is Believing
Offers a breadth of educational tools and resources regarding sight and visual perception. Loaded with interactivity. Interact with optical illusions and see how accurate you are.
http://library.thinkquest.org/C001464/