Middle depth of the lens

July 28 [Thu], 2011, 16:27
There are signs --- UV UV sunglasses of choice for function, some sunglasses have lenses or on the packaging, "UV" and logo. Network must be available to formal eyeglasses online business proposal to buy sunglasses, glasses and street vendors often do not meet quality standards, it is best not to buy the one hand injuries glasses.

Selected gray, brown and green lenses --- lens color choice should be based on the color of the surrounding environment without distortion, sharp edges titanium reading glasses of objects that can effectively identify the principle of different color lights. Lens color to gray, brown, green is better, because the color lenses for infrared, ultraviolet absorption better.

Middle depth of the lens --- In general, the darker the lens shading effect is stronger, but does not indicate greater ability to UV, UV sunglasses and lens features the materials, technology and other factors. Lenses generally moderate depth as well, of course, if the request shading effect pink eyeglass frames is very strong, should choose darker lenses. However, bike or car can not choose the lens color is too deep, otherwise it is difficult to identify the color of traffic lights. Driver, the best choice for fishing enthusiasts polarized sunglasses, because polarized lenses eliminate glare from all directions, so objects appear more clearly.
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