the sun's rays of highly reflective

Because is the summer, it is important to talk about how to prevent cataract is clever, when you play in the sun on the beach, on the tennis court, in court, or in the running, riding a bicycle
Cataract is a form of eye damage eyesight eye lens transparency loss. If not treated in time, can cause cataract blindness. In addition, studies have shown that, ultraviolet (UV) radiation increases the likelihood of a plurality of cataract.
Natural lens of a person as a filter, bright light, but no protection, but it may have faster. Because it becomes cloudy, sight seems not too bright or not too clear, may cause glare and halo. People sometimes stultify oneself wear UV or tainted glasses, because it makes things "too black", but in fact exposed them to more sunshine.
Looking for a 99% to 100% anti-UV sunglasses, glasses or contact lenses. Protection of the sunglasses do not have to be expensive. But it is important to choose a pair of sunglasses, the product label, UVA ray they stop at least 99% UVB ultraviolet ray and 95%.
Polarization and mirror coated lenses do not provide any protection, prevent ultraviolet radiation. In addition, it is unclear, if the blue light lens, this is usually the amber, providing UV protection.
The most simple, the most effective way, to prevent ultraviolet radiation is stay out of the sun. Wear a hat to cover the outside, especially when the sun is most intense (10 a.m. to 3 p.m.). A broad-brimmed hat, can significantly reduce eye exposure to ultraviolet radiation. Because the sun's rays of highly reflective, sit in the shade or under the umbrella of itself does not guarantee protection.