Only buy, do not choose expensive, in the range of sunglasses market, often more than ten dollars, you can buy a. Reminder, do not take any cheap. Regular sun eyes will not be so little money. To buy regular shopping brand glasses, there are quality assurance, with or without worries.
Sunglasses colorful, very nice. But the selection of glasses, do not just pick a bright color, you need to select the appropriate color, such as yellow glasses for night, most natural gray glasses things green glasses can relieve fatigue. If the proposed group travel, with green glasses, can not only UV protection, but also general eye fatigue.
Regular sunglasses, there is no degree, If you wear, blurred vision, Or a slight dizziness situation is likely to be of poor quality glasses, There is a certain degree, do not suggest that you buy.
Formal excellent lens surface is smooth, and no ripples, flawless, no bubbles, no wear marks.
Pick up the spectacle lens flat from the horizontal direction of warp.
If uneven or traces of bubble lenses should not buy.
A lot of people buy sunglasses.Like to buy large frame glasses that handsome, cool. This is not scientific, when the eyeglass frame is relatively large, the optical component is relatively heavy wear for a long time there will be a feeling of pressure, fatigue.
More popular sunglasses. Circles and squares, and wearing habits. And face, round face wearing angular glasses is appropriate, Square face wear streamlined glasses is appropriate.
Wear glasses, mirror handle should not be too tight or too loose, the proposal is a little tight appropriate, because for a long time with loosened.
Notes:
Not all populations are suitable for sunglasses, if you wear process as the other symptoms as headache, dizziness, vertigo, they should immediately stop wearing sunglasses, soft points, if the symptoms are not relieved, then it shall go to the hospital.
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