The effects of the blue light can be very harsh on our eyes. As these days we use the computers and smartphones like devices frequently to accomplish a wide range of works, the blue light emitted by these devices can be very harmful for our eyes and we hardly know about this. This is a kind of visible light that our eyes use to receive from the screens of these devices. These devices are the artificial sources for emitting the blue light. But the sunlight is the natural source of blue light. Ample blue light comes from the sunlight.
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