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.
What are the symptoms? Flare-ups of lupus can cause acute inflammation and damage to various body tissues and can affect the joints, skin, kidneys, heart, lungs, blood vessels, and brain. Some of the most common symptoms are painful or swollen joints, unexplained fever, kidney problems and extreme fatigue. A characteristic red skin rash â called a âmalarâ or âbutterflyâ rash because it roughly mimics the insectâs shape â may appear across the nose and cheeks.