Ilchi Lee

Now shift your eyes to a white area on your computer screen or wall.

What did you see when you changed the focal point of your gaze? Red, white and blue—the United States Flag in its original colors?

If you did, and it was probably a little foggy, what you saw was an after image. After images are formed when the cones in your eyes become tired and loose their sensitivity to the colors they are currently looking at. When this occurs, you see white light—a mixture of all colors—minus the color your cones have become insensitive to. In this case, you see the colors of the American flag.