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.
Symptoms of systemic lupus erythematosus (SLE, often referred to as simply lupus) can be quite different, because there are different types of lupus, and not all affected people show the same symptoms.General symptoms associated with lupus include. 1  low-grade fever, 2  loss of appetite, 3  nausea,4  muscle aches, 5  joint pains, Systemic lupus erythematosus (SLE) is an autoimmune disease. 2  SLE is characterized by the production of unusual antibodies in the blood. 3  The cause(s) of SLE is (are) unknown, however, heredity, viruses, ultraviolet light, and drugs all may play some role.