Virtual reality sickness

Nausea caused by exposure to a VR environment / From Wikipedia, the free encyclopedia

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Virtual reality sickness, or VR sickness occurs when exposure to a virtual environment causes symptoms that are similar to motion sickness symptoms.[1] The most common symptoms are general discomfort, eye strain, headache, stomach awareness, nausea, vomiting, pallor, sweating, fatigue, drowsiness, disorientation, and apathy.[2] Other symptoms include postural instability and retching.[2] Common causes are low frame rate, input lag, and the vergence-accommodation-conflict.[3][4]

Virtual reality sickness is different from motion sickness in that it can be caused by the visually-induced perception of self-motion; real self-motion is not needed.[1] It is also different from simulator sickness; non-virtual reality simulator sickness tends to be characterized by oculomotor disturbances, whereas virtual reality sickness tends to be characterized by disorientation.[5][6]