Dangerous Minds | Keep doing that and you’ll go blind: 3-D television, another perspective

Dangerous Minds | Keep doing that and you’ll go blind: 3-D television, another perspective: "That’s the problem. When the movie’s over, and you take your glasses off, your brain is still ignoring all those depth perception cues. It’ll come back to normal, eventually. Some people will snap right back. In others, it might take a few hours. This condition, known as ‘binocular dysphoria’, is the price you pay for cheating your brain into believing the illusion of 3D."