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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.
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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.
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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.