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The selection of sunglasses
Oct 18, 2017

The human body has the instinct to protect itself, when the eyes meet strong light, the pupil will naturally become smaller, so that into the eyes of the ultraviolet energy reduced, once wear no anti-ultraviolet function of the glasses, will make the pupil enlarged, plus this glasses do not isolate the role of ultraviolet rays, then the eyes equal to the portal open, let ultraviolet rays into, The damage to the eyes is conceivable.

Sunglasses can block ultraviolet rays, because the lens added a layer of special coating, and poor sunglasses not only can not stop the ultraviolet rays, but also let the lens through the luminosity of serious decline, so that the pupil becomes larger, ultraviolet rays will be a large number of injections, so that the eyes damaged. In addition, poor lenses also make people appear nausea, amnesia, insomnia and other visual fatigue symptoms.

The color of the sun lens is superior to light grey, tan or light fumosoroseus, followed by green, amber, blue, etc., red is used only as sunbathing or snow.

It's best to use polarized sunglasses because they can weaken the glare of light.

If you put on sunglasses, people can see your eyes very clearly, then your lens color is too light.

When the sun goes down, it's best to remove the sunglasses, otherwise, our eyesight will be affected when the light is weak.

Should go to the normal glasses shop to choose the regular manufacturers to produce UV-resistant sunglasses.

Pay attention to the surface of the lens when choosing.

A person with a slender face is suitable for a round frame sunglasses.

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