Electromagnetic radiation and health of exposure. Ultraviolet light, specifically UV-B, has been shown to cause cataracts and there is some evidence that sunglasses worn at an early age can slow its development in later life. Most UV light from the sun is filtered out by the atmosphere and consequently airline pilots often have high rates of cataracts because of the increased levels of UV radiation in the upper atmosphere. It is hypothesized that depletion of the ozone layer and a consequent increase in levels of UV light on the ground may increase future rates of cataracts. Note that the lens filters UV light, so
Triangle of the Sun Triangle of the Sun The Triangle of the Sun is a tourist area in the state of Guerrero that runs through the Sierra Madre del Sur of that state. This tourist area is formed by the cities of Acapulco in the south, the pair of Ixtapa-Zihuatanejo in the north, and Taxco in the center of the state. These cities are those that receive more tourists in Guerrero. Acapulco is the largest port city and populous state of Guerrero and the most visited by tourists and internacionales. This destination got its fame from the 50's and 70's also becoming a favorite