Buy Lenses For Glasses should not have the "degree" of optical Transition Mirror Lenses. Generally, if the diopter exceeds 15%, there will be a feeling of dizziness when wearing. Transition Lenses Colors must have high strength and pass impact test. Generally speaking, the strength of plastic sheets (propionic acid or cellulose acetate), resin sheets, glass sheets from small to large.
In the face of dozens of brands, thousands of styles of sunglasses, how to choose suitable for their own sunglasses? Regular cyclists had better wear resin sunglasses; Sports wear frame radian larger sports sunglasses or add a belt, chain; People who are nearsighted or far-sighted can wear sunglasses clips or special optical sunglasses. In spring and autumn, choose sunglasses with shallow Transition Lens Sunglasses and stable frame color; Winter choose frame color to some gorgeous, snow days to wear color film motion sunglasses, winter choose frame slightly larger sunglasses so as to windbreak.
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