Not in any way an expert…and I assume you don’t mean going blind in the most literal sense. Two tips. Get back from the screen and use larger fonts: http://www

Not in any way an expert…and I assume you don’t mean going blind in the most literal sense. Two tips. Get back from the screen and use larger fonts: http://www.smashingmagazine.com/2011/10/07/16-pixels-body-copy-anything-less-costly-mistake/ http://www.smashingmagazine.com/2011/10/07/16-pixels-body-co.... Note the bit on “vergence”. Second, against all odds I love F.lux: http://stereopsis.com/flux/ http://stereopsis.com/flux/. It adjusts the color temperature of your screen based on time of day. Try it for a while and then turn it off to see the difference, especially at night.