Testing For Color Blindness
How to use this test:
1. Look at each of the circles above. There is a number in the middle
of each circle. Try to determine what each number is.
2. People with normal vision will see the numbers: 9, 17, 50, 18, 34.
People with color deficiency will have trouble seeing some or all of
the numbers.
3. If you have trouble seeing any of the numbers in the circles
above, contact your eye doctor immediately.