F.lux Automatically Adjusts the Display to Protect Your Eyes
Article by George Norman
On 26 Feb 2009
If you spend vast amounts of time in front of your computer, chances are that you will be so preoccupied with whatever you see on the monitor that you will hardly notice time go by. Your eyes are not as resilient as you are and they will feel the strain as the lighting in the room gradually changes throughout the day. F.lux is a free piece of software that will solve this issue by automatically adjusting the brightness and tint of your monitor.

“Ever notice how people texting at night have that eerie blue glow? Or wake up ready to write down the Next Great Idea, and get blinded by your computer screen? During the day, computer screens look good—they're designed to look like the sun. But, at 9PM, 10PM, or 3AM, you probably shouldn't be looking at the sun. F.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day,” explains F.lux developer, Michael Herf.


F.lux does not actually detect the lighting level in your room; instead it factors in your geographical location and the type of lighting you have to adjust the brightness and tint of your display. What this means is that you have to feed F.lux with two vital pieces of info if you want it to be efficient: “Indoor lighting” and “Your location”. F.lux will proceed to tracking the sun’s position in your zip code or latitude, and make the appropriate display adjustments.

Some of us have to perform color-sensitive work and F.lux would only get in the way. There is an option that allows you to disable F.lux for 60 minutes, get your work done in that amount of time, and then reactivate it and keep unnecessary strain away from your eyes. Since we are on the topic of protecting your eyesight, you might want to give EyesRelax a try. This software app practically forces you to go take a break after spending a certain amount of time staring at your monitor.

If you would like to get F.lux, a download location is available here.
Please note the link provides download locations for Windows, Mac OS X, and Linux versions.

Tags: F.lux, Monitor, Display, Eyesight
About the author: George Norman
George is a news editor.
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