On a standard computer setup, the monitor is set up very bright with a bluish hue, similar to daylight. While that is perfect for working during the day, when night falls and ambient light fades, the extreme brightness can become an irritant for your eyes and can even make it hard for you to relax at night. A free program called F.lux seeks to solve this problem for you, and you should give it a shot.
I read about this free application in an article on Gizmo’s Freeware, Rob Shifreen explains that F.lux alters the color scheme of your monitor depending on the time of day. During daylight hours the display is bright and cool, but at night it changes to warmer tones that are easier on your eyes. This makes your monitor easier to look at and can save your eyes a bit of strain.
Know any late night computer users? Make sure to share this with application with them.
Original Source – Gizmo’s Freeware – Help Save Your Eyesight With This Clever Windows Program