Blue light penetrates all the way to the retina (the inner lining of the back of the eye) and laboratory studies have shown that too much exposure to blue light can damage light-sensitive cells in the ...

We’ve all been warned that blue light from screens disrupts sleep. But emerging research shows the story is more nuanced: ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

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