What Is a Blue Light Filter and How Do I Deal With These Lights? What Is a Blue Light Filter and How Do I Deal With These Lights?

Your device's screen will adjust to the time of day using the Twilight app. After sunset, it filters the blue spectrum on your phone or tablet and shields your eyes with a gentle, pleasant red filter.

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If the blue light filter on my mobile gives an orange tint to the screen, why doesn't my lens, which is supposed to have blue light filter, affect visible light's colour?

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My city's night bus (no filter) has blue lights inside, because those prevent falling asleep : r/interesting

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