picking out the color of the lens has to be based on the color of the
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different color signal brightness as the principle. Lens tone to gray, brown,
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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 website shading effect is more robust, but does not indicate the option of UV is robust, anti UV Sunglasses performs and lens Wholesale Ray Ban UK materials, technological know-how and other factors to second lens color depth is, wearing too deep accessories, it is difficult to identify the color connected with traffic lights.
Children can certainly wear sunglasses. The little one's eyes delicate, easy to light source damage, in this sense, little ones need to wear sunglasses although note that children under a few years old not appropriate period of time wearing sunglasses, because the children's 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 pupil will naturally open, Da Hong film easy to accumulate in the 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.