The sun in summer is getting stronger and stronger. In addition to protecting your skin from the sun, your eyes actually need a sunscreen! Daily visible light includes high-energy ultraviolet rays, and ultraviolet rays are divided into different wavelengths: from long to short, they can be divided into UVA, UVB, and UVC. Because UVA has a longer wavelength and relatively strong penetrating power, it cannot even be blocked by the ozone layer. Therefore, we are still exposed to UVA in our daily lives, whether it is under the sky or under the sky, it is everywhere. UVA can cause eyelid malignant tumors, photokeratitis and other lesions. If accumulated over a long period of time, it may also cause macular degeneration.
For those who do not need to do outdoor activities for a long time, we recommend that you put a pair of sunglasses in your bag and take them out for use at any time. But of course when buying, you should make sure that the sunglasses are UV400 resistant before buying. (Many people don’t know this: if you have any doubts, you can ask the store clerk to use a machine to check the lenses for you!) If you have myopia, you can buy prescription sunglasses or Clip-On sun clip is so convenient.
If you are someone who needs to do outdoor activities for a long time, it is best to wear a pair of photochromic sunglasses, so you don’t have to worry about forgetting to wear sunglasses!
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