A member asked:

Hello i'm using a application on my phone to filter out the "blue light" does it actually works to increase the quality of sleep and better eye health?

A doctor has provided 1 answer

Not useful: The light emitted from a phone, regardless of the color, has too little intensity to be of any harm to the eye. The application is just a marketing tool and note useful.

Answered 1/6/2016



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I have very dark purple blue under eyes, even with more sleep, help!?

2 doctors weighed in across 2 answers