The Magic Eye images have a horizontally repeating pattern which differs slightly with each repetition, therefore giving the illusion of depth when each eye focuses on a different part of the pattern. The stereograms were created using a patented process that allows colorful patterns to be used in creating the final images.
Magic Eye stereograms have been used byorthoptists and vision therapists in the treatment of some binocular vision andaccommodative disorders.
It allow some people to see 3D images by focusing on 2D patterns. The viewer must diverge his or her eyes in order to see a hidden three-dimensional image within the pattern.
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Deepak J. Prasad