Graphic: How 3-D Glasses Work
Karl Tate, TechNewsDaily Contributor
August 31 2010 12:37 PM ET
All 3-D glasses have the same purpose: to bring different images to each eye. 3-D content has two sets of images, one for each eye, that are slightly offset. When the separate images hit each eye, the brain can perceive them together as a three-dimensional image, just as the slightly offset views from each eye allows us to perceive our world in 3-D.
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