Optical Illusions and Visual Phenomena
What is an optical illusion?
An optical illusion is a photo or a picture of something that tricks your vision when it is just an image. When you are viewing an illusion, Your eye sees something while your other gets fooled.
|Stare Carefully at the 4 dots in the middle of this image for 20 seconds or so. The longer the better. Then close your eyes and face a bright direction. Another option is to stare at the sky or a white sheet such as the bright computer screen. It may take a while. Everyones eyes are different.
|Here is another optical illusion. How many horses can you count in this image?
By: Zookeeper - 2007-06-28 16:36:56