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Q:Why the blue light blocking glasses lenses are light yellow? A: The yellow film blocks blue light, softens the light that enters the eyes, and protects your eyes. But it is not the dark yellow lenses, dark yellow so-called anti-blue glasses not only can not block the blue light, but also make the color distortion, and long-term wear can cause headaches. The pale yellow ones are the anti-blue glasses that really work. Q: What is the principle of blue light blocking glasses? A: The principle of blue light blocking glasses is to protect the eyes from blue light by blocking and reflecting high-energy short-wave blue light through the lens of special materials. So anti-blue glasses must be light yellow. The real difficulty lies in that the blue band is UV400-500, but the highest damage to the eyes is high-energy short-wave blue light in the UV445-470 band. SOXICK blue light blocking glasses can accurately block the blue light in this band, while controlling the color difference and increasing the light transmittance. Q: How to clean the blue light blocking glasses? A: The best way to clean your glasses is to rinse with clean water first and then dry it naturally or use a professional lens cloth (the lens cloth should not have dust or particles) to wipe it clean! Q: Who are these blue blocking glasses recommended to? A: Those who need long-time to face computers, mobile phones, tablets, TVs, LED lights, etc, are suitable to wear this glasses.