Some VR systems used in video games can transmit vibrations and other sensations to the user through the game controller. Virtual reality also refers to remote communication environments which provide a virtual presence of users with through telepresence and telexistence or the use of a virtual artifact (VA).
Lupus nephritis symptoms are similar to those of other kidney diseases. They include: 1  dark urine. 2  blood in urine. 3  foamy, frothy urine. 4  having to urinate often at night. 5  puffy feet, ankles, and legs that gets progressively worse as the day goes along. 6  gaining weight. 7  high blood pressure.
Signs of lupus include: 1  Fatigue or malaise. 2  Joint pain, stiffness or swelling. 3  Muscle pain or weakness. 4  Fever with no known cause. 5  A red, butterfly-shaped rash across the nose and cheeks. 6  Other rashes, particularly on areas of the body exposed to the sun. 7  Pain in the chest when taking a breath.