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.
The 10 Common Symptoms of Lupus. 3. Joint Inflammation. One of the most common symptoms of lupus is pain and inflammation in the jointsâparticularly in the hands, legs, feet, ankles, hips, and knees. Joint inflammation is typically one of the first signs of lupus, and a normally energetic person may suddenly suffer from extreme joint pain and weakness. Of all the symptoms of lupus, this is the one that usually prompts people to visit their doctor to get a definitive diagnosis. Joint pain and inflammation results from the body mistaking its own tissues for outside intruders. The immune system then attacks them, resulting in inflammation and pain.