help keep the sun overhead

How is fatal to the light of the sun, your eyes? Experts say, unprotected exposure to the sun's ultraviolet (UV) radiation can take the risk you have cataracts, and will damage the retina. Either way, the result is completely blind.
The bad news is, UV damage is cumulative. This means, your eyes are no longer exposed to ultraviolet light, like the risk of development of macular degeneration after. But the good news is that you can avoid all this with a simple preventive measures. Here are some practical ways to protect your eyes from the sun:
Wear protective goggles. This should be your eyes exposed to ultraviolet radiation. Please remember the ultraviolet are present, even in the rainy days, in the winter. Don't rely on your UV contact lenses. You still need to wear a good pair of sunglasses to protect his eyes part, not including the lens.
When buying sunglasses, don't settle for anything less.
Choose sunglasses, provide good protection. They should stop the UV-A and UV-B radiation from 99% to 100% and screened out 75% to 90% visible light. Some of the higher prices of brand should have polycarbonate lenses blocks 100% of ultraviolet radiation. If you can make them.
Wear a wide brimmed hat or umbrella together using your sunglasses.
This will help keep the sun overhead. Don't most probably it did not actually happen to think that children are deadly rays immune. They can also be harmful influence Safin ultraviolet, especially because their eyes are not yet fully developed. Finally, do not look straight at the sun. These simple measures, will help to keep your sight.