3-D effects may require one eye only

Peering through a peephole can bring flat images to life

By Jessica Shugart, 15:26 PM October 18, 2013

Rather than donning special glasses and paying extra to see a movie in 3-D, try sitting through a regular showing with one eye closed. A new study suggests that viewers can see flat images in three dimensions by peering through a small hole with just one eye, though its methods have drawn criticism.

Researchers have long thought that the immersive effects of a 3-D movie result from binocular vision. As far back as the 1830s, scientists knew that a picture could spring to life when presented as...

Source URL: https://www.sciencenews.org/article/3-d-effects-may-require-one-eye-only