1. Retinal Fatigue images you only see in your head
Complimentary Colors
Retinal Fatigue images you only see in your head

2. Practice Image
You will see yellow, blue, green, and magenta rectangles on the screen
Stare at them to induce retinal fatigue
Look at the black dot
Enjoy the image that appears!

4. Put the Bird in the Cage

6. Stare at the green bird, then
Look at the cage.
What color bird will you see in the cage?
Stare at the red bird, then

7. First, the green bird

9. Now, the red bird

11. Guess what you’ll see
The next picture has a red field with a white X in the middle.
What image do you think you’ll see?

14. Old Glory
In order to create an afterimage of Old Glory, what colors does the image need to be?
To have a red after-image, the color would be
To see blue, the image would be . . .
To see white, the image would be . . .

17. Our Original Flag

19. Multicolored stripes Stare at the screen Induce retinal fatigue
Close your eyes and relax
Enjoy!