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the choice of the color of the lens needs to be based on the color of the surrounding natural environment, the edge of the object is simply not clear, can Fake Ray Ban Sale effectively discover the different color signal gentle as the principle. Lens coloring to gray, brown, natural is better, because these colors on the lens on the infrared, ULTRAVIOLET absorption is good, Gray Contact for any chromatography can be nicely absorption. After wearing cups of, see the scenery will obscure, and there is no Replica Ray Bans Sunglasses obvious tone tinted lenses to filter a lot of blue light, will be able to improve the visual contrast together with clarity, the Wholesale Ray Ban Wayfarer Sunglasses
air pollution is normally serious circumstances or bug wearing a long effect.
Various recent studies show that a result of the sunlight into the eyes about blue light will damaged the eyes, and yellowish lenses can not filter out uv rays in the blue spectrum, so that as choosing sunglasses do not pick a qualified lawyer blue lens.
In general, the main deeper the color of the contact shading effect is better, but does not indicate the power of UV is good, anti UV Sunglasses characteristics and lens Cheap Ray Ban UK materials, engineering and other factors to 2nd lens color depth is, wearing too deep contact lenses, it is difficult to identify the color involving traffic lights.
Children could wear sunglasses. The children's eyes delicate, easy to gentle damage, in this sense, young children need to wear sunglasses nevertheless note that children under some years old not appropriate number of years wearing sunglasses, because the child visual function development has not reached adult levels, long time wearing Ray Bans UK sunglasses may form amblyopia.
The right way is to put the child in a strong sunlight, when the sun is weak in time to take off. For children under 6 years of age to choose sunglasses to pay attention to the color to be
People over the age of 40, the lens Ray Ban South Africa nucleus began to harden, the cortex began to expand, resulting in a shallow anterior chamber.
After wearing sunglasses, entering the eye of visible light is reduced, the university student will naturally open, Da Hong film easy to accumulate inside corner, obstruction of aqueous outflow channels, for a long time, simple induce acute angle close-up glaucoma, there is redness, problems in the eyes, sharp diminish in vision and other indicators. In particular, there Wholesale Ray Bans
is a history connected with glaucoma or glaucoma affected individuals in the family who are at risk of this situation. Glaucoma patients as well as those who are suspected of glaucoma should not wear sunglasses, four decades of age who wear sun shades should also be cautious.

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