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 depend on what body organs are affected and how seriously they are affected. Common symptoms. Many people have these symptoms: Fatigue: Lupus causes mild to extreme fatigue. Even mild cases of lupus make it hard to do daily activities and exercise. Increased fatigue is a classic sign that a symptom flare is about to occur.