content: You might be focused too much instead of letting your eyes scan or drift. The colors should also feel discord to you, these colors should give you a 'weird' feel like say dark and yellow or black and white...examples of discord color http://photos1.blogger.com/blogger/2948/2279/1600/jpeg%20-%20B&W%20art%20base%20-%20tertiary.jpg and http://www.electric-chameleon.com/clash_discord.jpg you might also need to adjust the color resolution on your screen and if you still don't get anything try this one...color blindness test, eyesight like hearing decays over time http://colormax.org/color-blind-test/