In terms of color, deep color of the sunglasses can effectively block the light transmittance in the visible region may be only 10% -30%, while light-colored ray ban wayfarers sunglasses of the transmittance in the visible region than the average 40% -80% (ordinary colorless glasses of transmittance in the visible region than the average 90% -99%). The different colors of sunglasses to block UV effect should be the same shades of color makes the difference.
Advantages: 1, nicely decorated, 2, blocking the eye defects, eye protection (contact lens wearers to prevent water evaporation), to protect their eyesight (anti harmful rays)
Disadvantages: poor quality of the lens is easy on the eye damage, in addition, the sunglasses are to protect the mirror, shortcomings or small.
Ray bans wayfarer Sunglasses to wear improper susceptible to diseases of the eye, cloudy and there is no need to wear sunglasses indoors. Some people regardless of the occasion, regardless of sunlight intensity, even in the evening, the evening as well as in movies, television, also wearing sunglasses, which inevitably increase the burden of adjusting the eye, causing eye muscle tension and fatigue, vision loss, depending on blurring, dizziness and other symptoms in severe cases. For the development of the visual system is not perfect baby, children should not wear ray bans sunglasses. In addition to the glass sunglasses, material wear resistance of the other lenses that do not, users should always pay attention to the surface of ray ban outlet sunglasses, should be replaced when the wear of definition.
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