Stereopsis
Videos
In the science of visual perception, stereopsis is the sensation that objects in space extend into depth, and that objects have different distances from each other. This sensation is much stronger tha
Wheatstone's line stereogram
Relation between disparity and depth, after Ogle
Area of stereopsis. After Ogle.
Correspondence problem. Two stimuli A and B give the same visual directions as two stimuli C and D. Which are seen?
Binocular vision
Videos
In visual science, binocular vision focuses on visual perception with two eyes instead of one. Two main areas are directional vision and depth perception. Both eyes can positively or negatively influe
Stereopsis
…which each eye sees the same object are sometimes the same, but usually not. The difference in directions is called disparity. The separate article on directional vision explains how the brain combines the directions that each eye sees into a combined image with single images, double images and fused images that are…
The grey crowned crane, an animal that has laterally-placed eyes which can also face forward
Moon stereogram. Photographs taken on September 15 and November 13, 1864, by Rutherford. View with crossed eyes
Line stereogram that can be viewed with crossed eye directions