Observe lens first whether have scratch Mens Clip On Sunglasses, impurity, bubble, stripe, check the outer package of sunglass, regular sunglass should be marked with product name, color, diameter, quality level, production factory name and trademark, mirror or hang the sunglass that make clear to prevent UVA, UVB and CE mark to ensure that cut off certain ultraviolet ray.
When buying Magnetic Clip On Sunglasses, try them on for dizziness and headaches. The myopic sunglass that also has a few mark degree on market now sells, because pupil is apart from nevertheless the index such as differ from person to person, if do not have the guidance of professional personage so, consumer had better not choose this kind of Transition Lens Sunglasses that has degree.
Hold the two corners of the Transition Sunglasses in front of the fluorescent lamp with your hand, and let the reflective strip of the mirror gently roll. If the sunlight shadow reflected by the mirror appears wavy and twisted, it proves that the lens is not smooth, and such a mirror will damage your vision.
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