It heats the air it zips through to five times the surface temperature of the sun. Still, around 90 percent of lightning-strike victims survive. Over the past three decades, lightning has killed an average of 51 people per year in the U.S. but left more than 500 injured and alive.
Computer vision syndrome. Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time.
Most people have undoubtedly experienced symptoms of Computer Vision Syndrome. In todayâs constantly evolving world of technology, the use of computers and mobile computing devices is becoming second nature to us and, unfortunately, so are the side effects of frequent use.