How to sun eyes glasses II?
Fifth, the sunglasses in addition according to their skin color, face, dressed to match, but should also be based out of place to choose. In general, black, brown, gray filter works well; gray lenses can be balanced against any absorption chromatography, after wearing glasses to see the scene instead of a clear color will darken; tinted lenses to filter out a large number of Ray Ban 3029 Blu-ray, can improve the visual contrast and clarity, or more severe air pollution in case of wear best effects fog.
Sixth, what kind of color depth degreesunglasses for us? Simple self-test method is to wear sunglasses mirror, dimly visible to the limits of its own pupil. The role of the color is too light for the filter is too small; the color is too deep a sense of color vision has also weakened. This year the popular and colorful light sunglasses, do not use the sea water activities, reflective Ray Ban Sunglasses Metal of the snow and sunshine is very strong sun, but should wear sports sunglasses, they are mostly brightly colored, saturated with color, can absorb or reflect more visible light.
Seventh, in addition to wear sunglasses to reduce glare stimulation, so that the eyes comfortable, but the main purpose is to prevent ultraviolet damage to the eyes, and lenses are UV color is different, even if the lenses are dark, will not necessarily effective against UV, So be sure to select the function labeled anti-UV lenses. Sunglasses, UV index is usually 96% -98%, respectively.
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