Blue light filter FAQs

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November 3, 2019
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Does blue light filter app harm our eyes?

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Β don’t see a way that aΒ blue light filterΒ app can harm your eyes. Let’s start first with this question: What does a blue light filter do? It completely or partly blocks the blue light from your screen and helps you keep…

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November 3, 2019
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Can a blue light filter improve your sleep?

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From my personal experience, I can say that blue light filters do improve your sleep. First, we may explain why blue light harms our sleep: At some point, evolution created one special photoreceptor, called Melanopsin, into the eye. The only…

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November 3, 2019
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What is blue light, what is the purpose of a blue light filter, and should certain media be viewed without a filter?

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Blue light, as you may know, is part of the visible light from the light spectrum: The Sun is the main source of blue light, which means that NOT all blue light is bad light. The blue light from the…

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