Infrared heat may be a hot new trend in grilling, but this type of heat has been occurring naturally since the dawn of time. In fact, everything with a temperature above absolute zero (which is equal to -459.67 degrees Fahrenheit or -273.15 degrees Celsius) emits at least a little infrared radiation.
For example, bacterial and viral causes of pinkeye are almost always contagious and are spread from person to person. However, pinkeye caused by allergens and chemical irritants is not contagious by person-to-person contact. Pinkeye that is contagious has an incubation period as long as 14 days. However, most doctors do not think that pinkeye becomes contagious to other people until symptoms start to develop.
Exposure to Contagious Pink Eye. It's difficult to determine exactly how long pink eye is contagious if you don't know what's caused it. For example, the rubeola virus causing measles and accompanying pink eye symptoms is extremely contagious, often for as long as two weeks or more. Save 10-30% off your eye exam using the BenefitsPalâ¢ card