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The phenomenon of simultaneous vision with two eyes, producing a visual experience of the third dimension, that is, a vivid perception of the relative distances of objects in space. In this experience the observer seems to see the space between the objects located at different distances from the eyes.

Stereopsis, or stereoscopic vision, is believed to have an innate origin in the anatomic and physiologic structures of the retinas of the eyes and the visual cortex. It is present in normal binocular vision because the two eyes view objects in space from two points, so that the retinal image patterns of the same object points in space are slightly different in the two eyes. The stereoscope, with which different pictures can be presented to each eye, demonstrates the fundamental difference between stereoscopic perception of depth and the conception of depth and distance from the monocular view. See Vision

McGraw-Hill Concise Encyclopedia of Bioscience. © 2002 by The McGraw-Hill Companies, Inc.


The phenomenon of simultaneous vision with two eyes in which there is a vivid perception of the distances of objects from the viewer; it is present because the two eyes view objects in space from two points, so that the retinal image patterns of the same object are slightly different in the two eyes. Also known as stereopsis; stereoscopic vision.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


The art and science that deals with the use of binocular vision for the observation of a pair of overlapping photographs or other perspective views. It also deals with the methods by which viewing is produced.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

stereoscopic 3D

The rendering of still and moving images with lifelike depth, such as a 3D movie. Depending on the technology, the viewer may be required to wear eyeglasses or not. For details, see 3D visualization and 3D rendering.

The Other 3D
Stereoscopic 3D differs from designing in 3D, in which objects have width, height and depth but do not have the illusion of genuine depth. See 3D modeling and CAD.
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References in periodicals archive ?
CUTLINE: (1) Lindsay LeBlanc, an employee at Entertainment Cinemas in Leominster, models a pair of 3-D glasses as she sets up the glasses for moviegoers there to see "G-Force." (2) Johnny Depp as the Mad Hatter from the upcoming film, "Alice in Wonderland," which will be available in 3-D.
"People who come along should wear the 3-D glasses to get the full force of the night."
The picture does look clearer through the new 3-D glasses. In "Monster House," the decrepid old house that's a central character in the film buckles and splinters and appears to project out into the audience.
A small penlight shone into the infant's eyes can assess eye alignment, while depth perception can be measured by using 3-D glasses (like those you get in the movies) and showing the baby 3-D pictures; babies with good eye coordination and depth perception reach out to touch the picture.
3-D displays that do not require aids, such as 3-D glasses, work by projecting slightly different images to each eye--a form of visual stereo.
Readers were also able to use their 3-D glasses on the Star-Telegram's Web site,, where additional photographs appeared than in the print section.
In an interactive twist, movie patrons were given a cardboard "Magic Mystic Mask" with built-in 3-D glasses they could put on whenever they heard a character tell Barnes to "Put the mask on--now!" Each of the three 3-D "trip" sequences, written and designed by veteran editor and montage designer Slavko Vorkapich (Mr Smith Goes to Washington), aren't shy about hurling all manner of fireballs, snakes and sacrificial knives at the audience.
Now, with twin monitors mounted side-by-side at each workstation, partners with special 3-D glasses can visualize what their data would look like up on the larger three screens of the VRL.
The video comes with 3-D glasses, which can help viewers visualize the impact of eye injuries.
Next Jenkins distributed pairs of 3-D glasses to the audience, instructing them to wear the glasses throughout the next dance, In Front of Black Glasses.
Audiences don cardboard 3-D glasses to bring into focus a blurred projection of the Hornsby home: an enlarged, postmodern version of a farmhouse on a hill.
Tomita developed technology that allowed users to see 3-D images without having to wear 3-D glasses. In 2003, he had a meeting at Nintendo's Kyoto headquarters, where he displayed the technology for seven officials in the hopes of getting licensee partners while he waited for his patent application to be processed (the U.S.