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> It's the worst when I'm working on my computer, due to the blue light (I've started wearing yellow sunglasses to minimize the effect) If you are on Linux yo

> It's the worst when I'm working on my computer, due to the blue light (I've started wearing yellow sunglasses to minimize the effect) If you are on Linux you should have a look at Redshift[0]. It allows you to adjust color temperature and brightness via command line. During daytime I put more blue and brightness into the screen, depending on the weather outside (5000K-6500K, 70%-100% brightness). I do this once when I start working. When it gets dark outside I turn the values down to something like 3000K-4000K and 50%-70% brightness, depending on the amount of light inside the room. This relaxes your eyes and puts you in a better (less tensive) mood, especially at night. Redshift really became essential to me. [0]:http://jonls.dk/redshift/ http://jonls.dk/redshift/

castis 9y ago
Also, if iOS, Night Shift: https://support.apple.com/en-us/HT207570 https://support.apple.com/en-us/HT207570 Almost everything else, Flux: https://justgetflux.com/ https://justgetflux.com/
- Rotareti 9y ago
  Flux looks interesting, but it doesn't seem to support brightness adjustment. I think it's important to sync the brightness of your monitor with the brightness of its surrounding.
  - Cthulhu_ 9y ago
    The Macbook and (I'm pretty sure) most modern laptops will also adjust backlight according to environment though.
    - Rotareti 9y ago
      But if you are using a workstation/external monitors you still gonna need it.
Philomath 9y ago
If you are on mac, you should check 'f.lux'. It will adjust the colors of the screen automatically to minify the effects of blue light.
- sudojudo 9y ago
  There's f.lux for Linux as well, but you'll probably want to add a GUI [1]. f.lux runs on most desktops and phones. Redshift seems to be the top choice for Linux users though, because f.lux lacks some basic features (like being able to turn it on during daylight hours). The trade-off is that f.lux is easier to install and has a smaller footprint. Also worth noting is that Redshift is FOSS, and f.lux is not (though there are forks on githib, so I must be missing something). [1] https://github.com/xflux-gui/xflux-gui https://github.com/xflux-gui/xflux-gui
- photojosh 9y ago
  From macOS Sierra 10.12.4 onward, it's built in. Check Displays in System Preferences. Just tested now and it works with both internal display and external 4K screen.

castis 9y ago

Also, if iOS, Night Shift: https://support.apple.com/en-us/HT207570 https://support.apple.com/en-us/HT207570 Almost everything else, Flux: https://justgetflux.com/ https://justgetflux.com/

Rotareti 9y ago
Flux looks interesting, but it doesn't seem to support brightness adjustment. I think it's important to sync the brightness of your monitor with the brightness of its surrounding.
- Cthulhu_ 9y ago
  The Macbook and (I'm pretty sure) most modern laptops will also adjust backlight according to environment though.
  - Rotareti 9y ago
    But if you are using a workstation/external monitors you still gonna need it.

Philomath 9y ago

If you are on mac, you should check 'f.lux'. It will adjust the colors of the screen automatically to minify the effects of blue light.

sudojudo 9y ago
There's f.lux for Linux as well, but you'll probably want to add a GUI [1]. f.lux runs on most desktops and phones. Redshift seems to be the top choice for Linux users though, because f.lux lacks some basic features (like being able to turn it on during daylight hours). The trade-off is that f.lux is easier to install and has a smaller footprint. Also worth noting is that Redshift is FOSS, and f.lux is not (though there are forks on githib, so I must be missing something). [1] https://github.com/xflux-gui/xflux-gui https://github.com/xflux-gui/xflux-gui
photojosh 9y ago
From macOS Sierra 10.12.4 onward, it's built in. Check Displays in System Preferences. Just tested now and it works with both internal display and external 4K screen.