>>> For a more comfortable reading of this forum <<< > REDUCE harmful BLUE TINT from your screen with this tiny FREE software : f.lux

f.lux settings


                                     F.lux settings

Downloads :
For Windows, please visit this page : f.lux for Windows
or download f.lux 3.10 (my favorite)  >> HERE <<

For iPhone, iPad, and iPod touch, please visit this page : f.lux for iOS  (available for jailbroken iOS devices only)

For Android, please visit this page : f.lux for Android  (most rooted Lollipop and Marshmallow devices (5.x and 6.x) will work)

For Apple computers, please click on this link : f.lux for Mac  (direct download, ZIP file)

After installation, click the icon on the taskbar to access the settings :

Click on this windows to see a 24h preview.
Click on "Settings" to access another window (see below)

Here you can move the cursors to the right or to the left to adjust parameters for day and night and set your location for more accurate lighting.
When done, you can close the window (click on "Done" or "X")

Right-click on the icon on the taskbar to access this popup window.
On this window you can disable flux for one hour, until sunrise, or get even more options like "Lightning at night" (more or less of yellow tint).

  f.lux is a really handy tool that allows you to adjust the colour temperature on your display. If you stare at a screen for too long, then the glare from the display begins to hurt your eyes. To start with, turning down your monitor's brightness may help you, but brightness is not the really issue. The colour temperature is what causes the problems.

Most computer screens emit a bluish light, which looks great in daytime, but it becomes uncomfortable to look at when the sun dips below the horizon. Not only can your screen become uncomfortable to look at, it can also affect your sleep patterns*.

F.lux works by calculating the approximate sunset time for your location. At sunset, your computer screen will mimic nature, gradually warming up the colours. This, in turn, blends in better with the surrounding light.
The app is very easy to navigate and configure in a few clicks. the adjustments can be made with sliders across the main window, which alter the daytime and night time calibrations.

If you spend a large amount of time looking at your computer screen, then f.lux is definitely something that you should check out.

*There has been research which suggests reading on a tablet for a couple of hours before you go to sleep can delay your sleep pattern by approximately an hour.

Enjoy this free tiny software, you eyes will appreciate.


If you stare at a computer/laptop screen for more than 2 hours, you have 90% chance to get CVS (computer vision syndrome). You eyes will get hurt. Only Flux is not enough to help you eyes. You need to find more tips. See the solution I gave to protect your eyes from your computer/laptop screen before:

Screen Location Ideally more than 25 inches from eye and 6 inches below the horizontal eye level. Anti-glare screen Will decrease the amount of light reflected from the screen.

Light effect Use suspended lights from ceiling and windows with shades, blinds or curtains. Avoid light hitting directly on eyes.

Sitting posture Use chairs with armrests which are able to provide, support while typing, position of head slightly tilted downwards and height of the chair adjusted appropriately so that the feet reset flat on floor.

20-20-20 rule Follow the 20-20-20 rule, which means every 20 minutes, look away from the monitor, and focus on an object at least 20 feet away, for 20 seconds.

Eye Exercise Choose your eyes and slowly roll your eyeballs clockwise and anticlockwise. Repeat it 3 times.

Blinking Blink frequently to keep the front surface of your eye moist.

Computer Eyewear To block the blue light, glare, and radiation when in computer and mobile device use. It works better than a monitor or screen protector.

As I suggest, a pair of computer glasses to block harmful lights can really be considered.


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