n. A seasick-like feeling that afflicts some people when they wear virtual reality headsets.
That seasick feeling some people get with virtual reality headsets. Caused by a conflict in the brain: the eyes register movement, but the inner ear doesn't feel it.
—Gareth Branwyn, “Jargon Watch,” Wired, April 01, 1995
1995 (earliest)
The first step to success, says Linden Rhoads of Virtual i-O, "is moving away from a helmet paradigm to a glasses paradigm." Glasses are lighter than helmets, and that helps reduce motion sickness — too much weight can throw off the brain's sense of how to move. In the trade they call it "barfogenesis."
—Adam Rogers, “Through a Glass, Darkly,” Newsweek, January 23, 1995