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Jan 23 , 2020
Nowadays, work, study and entertainment are inseparable from various electronic devices all the time! Eyes are often dry, sour and painful because of blue light. Also heard that anti-blue ray glass...
The difference between blue light and ultraviolet ray is mainly reflected in the difference of wavelength and source.Blue light is the visible light with a wavelength between 380nm and 530nm. With ...
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