Blue light and the retina


  • f.lux team

    @Muden Regarding the amount of light that reaches the retina: five minutes outside in the sun means more blue light (and more light of all wavelengths) reaches the retina than hours in front of a computer screen.

    I personally would not recommend to anyone to stare at a computer screen for 14 hours a day, but giving medical advice is beyond the scope of this forum.

    Questions about computer screens and how they can affect your eyes are best directed to an eye doctor who has examined you in person.


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