April is traditionally a month when we fool our family and friends. This year, try fooling yourself.
Optical illusions are illustrations or photographs that can trick your mind in many different ways. Sometimes you see things that aren't there, sometimes you see things that should -- but don't -- make sense.
Meet the Eye-Fool, a goofy trickster with a face only a mother could love. Each of the Fool's eyes is a link to a classic optical illusion. Click one of his eyes below to fool your own!