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Choose sunglasses correctly to protect your eyes.

Views:4     Author:Site Editor     Publish Time: 2020-07-15      Origin:Site

Choose sunglasses correctly to protect your eyes.

1, the instinct of human have ego to protect, eyes meet with strong light, the pupil will naturally become smaller, cut into the eyes of uv energy, once without uv protection function on the glasses, can make the pupil dilation, plus the role of the glasses not isolate uv, at this moment is equal to the portal open eyes, let the ultraviolet light to enter, damage to the eyes.


2, sunglasses can block ultraviolet ray, because the lens added a special coating film, and inferior sunglasses not only cannot block ultraviolet ray, still let lens transmittance drop seriously, make pupil dilate, ultraviolet ray can shoot in large quantities instead, make eye damage.In addition, inferior lens still makes a person appear disgusting, forgetful, insomnia wait for visual fatigue symptom.

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3, the color of the sun lens to light gray, tan or light smoke color is superior, followed by green, amber, blue, and so on, red is only used for sunbathing or snow.

4. Polarized sunglasses are best for cars because they reduce the glare.

5. If you wear sunglasses and others can see your eyes clearly, your lenses are too light in color.

6. When the sun goes down, it's best to remove your sunglasses. Otherwise, our eyesight will be affected in the weak light.

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7, should go to the regular eyeglasses shop to choose the sunglasses with the function of preventing ultraviolet ray that the regular manufacturer produces.

8. Pay attention to the lens surface when selecting.

9. When buying sunglasses, you can judge whether the object is clear or not.To buy quality sunglasses, the only way to do it is to go to a professional optical shop, a regular eyewear shop to buy sunglasses.

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