subject: The Sunglasses Health Knowledge [print this page] 1yellow lens, filter100% UV -- God clear bright eyes agent
Yellow Lens Sunglasses100% filter the ultraviolet, infrared and visible light to allow83% penetrating lens. It is the biggest characteristic, can filter the sun the most dazzling blue. Sunlight passes through the atmosphere, mostly as a blue light, which is why you see the sky is blue. Yellow lens blue light filter, nature scenery can be seen more clearly. Therefore when driving a yellow lens sunglasses, you can clearly see the traffic.
2green lens, filter99% UV -- Shuxin.
Funky green and grey lenses, can filter infrared light, but also filter99% uv. But green lens will change some scenery color, barrier effect of light is slightly inferior to the gray lens. Fortunately, green is a natural sedative, can let the people around you feel comfortable. If you want to do a " goodwill ambassador", might as well wear sunglasses green lens, let the multifarious noise because of your silence.
The 3grey lenses, filter98% UV -- shading transparent agent
Grey Lens Sunglasses for sun lights filtering capacity is almost equal, but also can filter the infrared and98% uv. Wear Grey Lens Sunglasses, the original color will not because of lens scene change, but also the maximum light shielding. In the heat of the Malaysia, Grey Lenses by local experts praise for" the most comfortable sunglasses". Summer outdoor activities, wear Grey Lens Sunglasses, not only cool, shading, can see the original beauty.
Pink sunglasses can filter95%, UV and some shorter wavelengths of visible light. In fact, pink lens and generally not colored lenses almost, and no protective effect is better than the general lens. But the psychological research found that,65% of women wear pink lens sunglasses, confident degree higher than usual one half. Pink Sunglasses pure is your psychological placebos, can be depressed or ultraviolet not how strong the rainy day wearing.
Choose the wrong sunglasses, eye to find you.
Choose the wrong sunglasses, in addition to the eye will suffer, even the body may have disorder. If your body the following symptoms, you should immediately put a pair of sunglasses.
Trouble 1: Sunglasses too heavy, headache with
The United States of America eye experts say, sunglasses once the weight more than 45 grams, leads to excessive compression temple, let the brain become tense, resulting in intermittent headache, this is" Sunglasses syndrome" is one of the most common. If you feel headache in wearing sunglasses when, off after half an hour and disappear automatically, preferably replaced a compact and lightweight sunglasses.
Trouble 2: eyeglass tightly, toothache eye also Ma
Dai Jiu sunglasses, if feeling the maxillary gingiva numbness, upper front teeth ache, are probably the two lens holder too tight. Go to the shop to get some eyeglass loosen, or for a comfortable broadside eyeglasses. The German Ophthalmological expert survey found, eyeglass tight initial manifestation is, orbital or cheeks with mild numbness, respiratory nasal discomfort, after 2hours or longer, the pain will gradually spread to the oral cavity, let your toothache.
Trouble 3: dark lenses, the eyes of fatigue
The British ophthalmic disease association study found,13% vision decline are associated with dark lenses for sunglasses. If your eyes are of a dark black, brown, blue and brown eyes than man, have a better ability to resist ultraviolet. When you choose to deep purple or black sunglasses, eye fatigue, a long time can cause vision loss. South Korean experts said, the most suitable for Oriental women of color -- dark eye lens is light grey and pink.
