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The majority of [[Virtual Reality]] (VR) and [[Augmented Reality]] (AR) devices are head-mounted displays. In AR, the display is usually transparent and digital information is superimposed onto real life objects. In VR, the display is not transparent and only virtual information and images are displayed in front of wearer's eyes.
==Virtual Reality HMDs==
VR HMDs have displays with large [[field of view]] that covers the entirety of the user's vision. Humans have about 120 degrees of binocular vision<ref>http://www.artinarch.com/vp05.html</ref>, the display of a VR device should incorporate the entire vision range.
==References==
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[[Category:Terms]]
