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Hot bifocal glasses specially for smart woman

04:49, 29 July 2009 .. 0 commenti .. Link
The first thing that comes to mind when one thinks of sun protection is to protect skin, hardly think of protecting eyes. In practice, researches indicate that eyes exposure to ultraviolet radiation will do injury and even cause diseases to eyes. Hence, for health sake, eyes deserve our special attention.
Never look sun straightly in the sunny days. Eyes are very fragile. Direct view to sun for a while may lead to temporary giddiness.One may suffer from pain, tears, inflammation and blurred vision if he/she looks up to sun for a long time.
As is known to all, eyes are fragile and susceptible to ultraviolet radiation which would easily injury eyes. The 280nm ultraviolet radiation does maximum damage to the cornea and seems to cause conjunctivitis. The 290-400nm wavelength UV ray can cause biggest damage to the lens, which is also the reason for cataract. Research suggests that one more hour you bask in the sun every day; you are likely to get cataract with 10% more chance. Then what should we do in preventing the harm?
If you stay out in the sun, you'd better make use of hat, umbrella and bifical glasses to protect your eyes from sunlight. It should be noted that you'd better buy a pair of bifical sunglasses of good quality. Sunglasses of poor quality can't help in protection but result in injury to eyes. Prepare a pair of UV-cut sunglasses for summer use, and you will benefit a lot. Medical studies have certified that lenses in grey are best as grey have little influence on the effect of vision but effective in anti-UV. Those who wear contact lenses can also choose those with anti-VU code which can block 90% UV rays. Your eyes will be safer if you add a pair of progressive eyewear.Don't work or do activities outside at noon because the sum at that time is strongest and prone to hurt skin as well as eyes.
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