Stereoscopic vision is probably the most important
feature of VR because in real life, people rely mainly on vision to get places and do things. The eyes are approximately 6.5 centimeters apart, and allow you to have a full-colour, three-dimensional view of the world.
Stereoscopy, in itself, is not a very new idea, but the new twist is trying to generate completely new images in real-time. In 1933, Sir Charles Wheatstone invented the first stereoscope with the same basic principle being used in today's head-mounted displays.
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