Sound and Light
As we continue to develop your adventure into the worlds of light and sound, you can read about how your eyes work and what vision health is all about.
How do 3D glasses work?
wonder why red and blue glasses allow you to see 3D? How
about those glasses that appear simply "clear"?
is more to vision than 20/20. What does that test really
mean and what is good vision?
23 June 2006
© 2006 - Imagiverse Educational Consortium