Virtual Reality: An introduction

Last updated on November 12th, 2018

Virtual Reality (VR) is a realistic artificial environment of 3D images that are generated by a combination of interactive hardware and software and presented to the user in a way that any doubts are deferred and is recognized to be an existing environment in which a user can interact with. Virtual Reality is best understood by primary defining what it targets to accomplish – total immersion.

Total immersion referred to as the sensory understanding that feels so real and that we overlook that it is a virtual-artificial environment and begin to intermingle with it as we would in the real world.

Mental Immersion is as deep mental state of commitment, with the postponement of doubt that an individual is indeed in a virtually rendered environment.

Physical Immersion can be Demonstrated physical commitment in a virtually rendered environment, with the postponement of doubt that an individual is in a virtual environment.

Key Constituents in a Virtual Reality System

  • Computers, Consoles, and Smartphones: they act as engines to power the content produced by a VR content, which is the user through a virtual reality headset.
  • Head-Mounted Display (HMD Goggles) are a brand of devices that comprise a display fixed in front of a user’s eyes. This display covers the user’s full field of vision and displays the 3D content. Head-mounted displays are frequently also complemented with a headphone to deliver auditory stimulation.
  • Input Devices: They offer users with a more normal way to pilot, steer and interact within a virtual reality environment. Some of the more common methods of input devices include Joysticks, Controller-wands, Gloves, and Bodysuits.

Uses of Virtual Reality

While gaming is the most recognized uses of VR but its potential is infinite. Here are some ways the technology can be applied:

  1. Aviation training: Used in the training of pilot to flying various airplanes in and out of congested airports, dangerous night-flight using only night vision. Simulators equally use hydraulics to re-fabricate the sensation of liftoff and touchdown. The benefit of using a VR simulator is that flights are a meticulous environment, which is tolerant to inaccuracies and pose virtually no danger. Almost all branches of the military, in various countries around the world, now use virtual reality technologies to train pilots.
  2. The sports industry is transforming by VR for both players and viewers by using it as a training aid and to help measure athletic performance, therefore improving technique and enhance the viewer’s experience of an event.
  3. Mental Health: VR has essentially become a method of treating post-traumatic and stress through exposure therapy, an individual transition into a re-enactment of a traumatic event. It is also used in the treatment of anxiety and depression.
  4. Medical Training: VR is used by medical and dental students to practice surgeries and procedures, thus allowing students to develop skills which can later be applied in everyday life.

Virtual reality systems require a considerable large quantity of power, even in comparison to extremely power ambitious gaming systems.


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