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.
Lupus symptoms vary widely, and they come and go. The times when symptoms get worse are called relapses, or flares. The times when symptoms are under control are called remissions. Common symptoms include feeling very tired and having joint pain or swelling (arthritis), a fever, and a skin rash .