Wikipedia page[0] mentions having a fixed nose visual can reduce nausea, which is something I've read/heard elsewhere as well. According to several studies, in

Wikipedia page[0] mentions having a fixed nose visual can reduce nausea, which is something I've read/heard elsewhere as well. According to several studies, introducing a static frame of reference (independent visual background) may reduce simulation sickness. A technique called Nasum Virtualis shows a virtual nose as a fixed frame of reference for VR headsets. [0] https://en.wikipedia.org/wiki/Virtual_reality_sickness https://en.wikipedia.org/wiki/Virtual_reality_sickness