If you spend more than two hours at a time staring at a computer screen, you just might experience symptoms of digital eye strain. Check out this infographic from the folks at Care2 that quickly explains causes, symptoms and solutions for digital eye strain. (Clicking on the image to the left will bring you to a larger, readable version of the poster).

The 20-20-20 rule is a simple way to remember to help your eyes when you are at a computer. For every 20 minutes of screen time, take 20 seconds to look at something 20 minutes away. Your eyes and your eye doctors will thank you!