picking out the color of the lens really should be based on the color of the surrounding setting, the edge of the object is absolutely not clear, can Cheap Ray Ban Sale effectively distinguish the different color signal light source as the principle. Lens colouring to gray, brown, environment friendly is better, because these colors with the lens on the infrared, ULTRAVIOLET absorption is good, Gray The len's for any chromatography can be balanced absorption. After wearing glasses, see the scenery will darken, and there is no Cheap Ray Bans UK obvious color tinted lenses to filter out a lot of blue light, can improve the visual contrast and clarity, the Cheap Ray Ban Glasses
air pollution is definitely serious circumstances or errors wearing a long effect.
Many recent studies show that because the sunlight into the eyes connected with blue light will injure the eyes, and pink lenses can not filter out direct sunlight in the blue spectrum, while choosing sunglasses do not pick a qualified blue lens.
In general, often the deeper the color of the the len's 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 good, wearing too deep lenses, it is difficult to identify the color of traffic lights.
Children can wear sunglasses. The child's eyes delicate, easy to light damage, in this sense, children need to wear sunglasses but note that children under 6 years old not appropriate long 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 vulnerable in time to take off. For little ones under 6 years of age to settle on sunglasses to pay attention to the color for being
People over the age of 40, often the lens Ray Ban On Sale nucleus began to calcify, the cortex began to develop, resulting in a shallow anterior appropriate slot.
After wearing sunglasses, stepping into the eye of visible light source 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 Replica Ray Bans
is a history associated with glaucoma or glaucoma sufferers in the family who are vulnerable to this situation. Glaucoma patients or even those who are suspected of glaucoma should not wear sunglasses, 40 years of age who wear glasses should also be cautious.