A new study has shown how blue light can cause macular degeneration — one of the leading causes of blindness.Blue light harms our vision by damaging the eye’s retina.The study found blue light turns a molecule in the eye into a cell-killing poison. It kills photoreceptor cells, which do not regenerate.Special sunglasses that filter blue light might hep, but specialists are undecided about how much good they actually do.

Staring at screens all day isn’t good for us — we know this. It can cause eye strain, sometimes called …

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Source:: AOL.com


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