Stereogram was discovered by Charles Wheatstone in 1838. One of the most common ways to create a stereogram is to hold both of your index fingers in front of you with the tips touching and cross your eyes to create the illusion that you have an extra finger. Salvador Dalí created some impressive stereograms in his exploration in a variety of optical illusions.
Magic Eye books refer to autostereograms as stereograms, leading most people to believe that the word stereogram is synonymous to autostereogram.
#STEREOGRAM READER SERIES#
The Magic Eye series is a popular example of this. Stereograms were re-popularized by the creation of autostereogram on computers, where a 3D image is hidden in a single 2D image, until the viewer focuses the eyes correctly. These stereoscopes were immensely popular for decades. invented an improved form of stereoscope in 1861, which had no mirrors and was inexpensive to produce. He found an explanation of binocular vision which led him to construct a stereoscope based on a combination of prisms and mirrors to allow a person to see 3D images from two 2D pictures. Other types of stereograms include anaglyphs and autostereograms. Originally, stereogram referred to a pair of stereo images which could be viewed using stereoscope. A stereogram is an optical illusion of depth created from flat, two-dimensional image or images.
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