Sunglasses are currently popular elements. It is not only used to match clothes, but also in a hot summer, protecting the eyes is disturbed by ultraviolet rays. However, there are many sunglasses brands at the moment.
How to choose glasses
Sunglasses are currently popular elements. It is not only used to match clothes, but also in a hot summer, protecting the eyes is disturbed by ultraviolet rays. However, there are many sunglasses brands at the moment.China
1. First observe whether the lens has scratches, impurities, bubbles, stripes, and check the outer packaging of sunglasses. The regular sunglasses should be marked with the name of the name, color, diameter, quality level, production factory name and trademark, mirror or tag, and defense on the mirror or tag.UVA, UVB, and CE signs of sunglasses can ensure that they are blocked by certain ultraviolet rays.
2. When buying sunglasses, wear it to try whether it is dizziness and headache.At present, there are also some myopia sunglasses on the market for sale, but because the pupil distances and other indicators vary from person to person, so if there are no professional guidance, consumers should not choose this degree of sunglasses.
3. Use the two corners of the sunglasses to the sunlight with your hands, so that the reflector of the mirror surface is smoothly rolled. If the mirror reflected fluorescent shadow appears wavy and twisted, it proves that the lens is uneven, and this mirror will damage the vision.
4. The lens should be flat, the clarity should be high, and the material of the sunglasses has glass and resin, and the best sunglasses should be polarized lenses.It is made of synthetic resin, which is as light and precise as contact lenses, which is synthesized by seven layers of thin slice. The two layers of the outermost layer are super -hard wear -resistant layers; second and sixth layers are anti -crushing enhanced layers; third and fifth layers are ultraviolet raysThe filter layer, the middle layer is a polarized filter layer.Polarized lenses can effectively filter reflected light and harmful ultraviolet rays, and have functions such as anti -crushing and abrasion. They are the most popular sunglasses.
5. In addition to the color, face, and dressing of sunglasses, the color of the sunglasses should also be selected according to the place of entry and exit.Generally speaking, black, tea, and gray filtration effects are good; gray lenses can be absorbed balanced in balance of any chromatography.Blu -ray can improve visual contrast and clarity, and wearing effects in severe air pollution or fog.
6. What kind of color of sunglasses is suitable for us? The simple self -test method is to put on a sunglasses in the mirror, and you can see your pupils.If the color is too light, the filtering effect is too small; if the color is too dark, it will affect the vision and weaken the color.This years popular light -colored sunglasses should not be used in seaside water activities, strong reflective snow, and the sun that is very strong in the sun. Instead, they should wear sporty sunglasses. Most of them use colorful saturation colors, which can be absorbed or can be absorbed or can be absorbed orReflection more visible light.
7. In addition to reducing strong light stimulation and making the eyes comfortable, the most important purpose is to prevent ultraviolet rays from harming the eyes.Be sure to choose a lens with anti -UV function.The UV index of the sunglasses is between 96%and 98%.
8. Generally, there will be instruments to detect sunglasses to resist ultraviolet capacity. Through this test, you can know whether the glasses in your hands are helpful for your eyes.
The above is the sunglasses brand compiled by Xiaobian. If you have any one, you may wish to try it.
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