EyeDefender alternatives

EyeDefender is a freeware rest reminder designed to prevent Computer Vision Syndrome (CVS) resulting from working on a computer for hours. CVS symptoms include eyestrain, blurred vision, delayed focusing, headaches, back and neck aches, dry and burning eyes, light sensitivity, distorted color vision, forehead heaviness, and sore eyes.
EyeDefender alternatives are:
dbojan | 14.10.10 | #
Good. Has user activity detection, instead of just counting 15 min.
And like the screen(s). Maybe add a message to look off display for a while, too.
 (to insert a quote, select the text and click #)