Double vision, or diplopia, occurs when a person sees two images instead of one. Performing certain eye exercises may help to reduce double vision in some cases. When a person has double vision, the ...

Stereograms mark a threshold in understanding visual perception. Modern study of stereopsis began with Wheatstone's invention of the stereogram and stereoscope (~ 1832), important tools in vision ...

Stereograms were first used in the study of human depth perception, specifically how our eyes see different images and our brains create a single cohesive one. Photo / Wikimedia Magic Eye puzzles ...

When Oliver Sacks first published my stereovision story as "Stereo Sue," he ended the article with my description of seeing a snowfall in 3D for the first time. Ever since then, I have wanted a ...

Humans can perceive visual depth quite well. This is partly because the left and the right eye, being located only few centimeters from each other, see their surroundings from a slightly different ...

In the early 1990s, Magic Eye images (or computer-generated autostereograms to give them their generic name) felt like the pinnacle of an exciting confluence of art and technology. They were ...