<P> Surgery training can be done through virtual reality . With the supervision of experts to provide feedback, simulated VR surgical environment provide effective and repeatable training at a low cost, allowing trainees to recognize and amend errors as they occur . </P> <P> Virtual reality has been used in rehabilitation since the 2000s . Despite numerous studies conducted, good quality evidence of its efficacy compared to other rehabilitation methods without sophisticated and expensive equipment is lacking for the treatment of Parkinson's disease . A 2018 review on the effectiveness of mirror therapy by virtual reality and robotics for any type of pathology concluded in a similar way . </P> <P> VR can simulate real workspaces for workplace occupational safety and health purposes, educational purposes, and training purposes . It can be used to provide learners with a virtual environment where they can develop their skills without the real - world consequences of failing . It has been used and studied in primary education, military, astronaut training, flight simulators, driver training and bridge inspection . Supplementing military training with virtual training environments has been claimed to offer avenues of realism in military and healthcare training while minimizing cost . It also has been claimed to reduce military training costs by minimizing the amounts of ammunition expended during training periods . </P> <P> The first fine art virtual world was created in the 1970s . As the technology developed, more artistic programs were produced throughout the 1990s, including feature films . When commercially available technology became more widespread, VR festivals began to emerge in the mid-2010s . The first uses of VR in museum settings began in the 1990s, seeing a significant increase in the mid-2010s . Additionally, museums have begun making some of their content virtual reality accessible . </P>

When was the first virtual reality headset released