Virtual reality is a three-dimensional computer generated visual effect. It uses almost all the senses of a human being to provide entertainment, the sight, the touch and the hearing. It is popularly used in the environment of video games and cinematic views but it is far more than just for entertainment.  Virtual reality is being used for people with the disabilities like it is being used in the therapy of PTSD, individuals who tend to suffer from motion sickness and distracting people with acute pain into changing their surrounding into preferable ones.

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