Ishihara Test for Color Blindness

Ishihara Test for Color Blindness
What numbers do you see revealed in the patterns of dots below?
I am color blind, as is about 12 - 20 percent (depending on whose figures you want to believe) of the white, male population and a tiny fraction of the female population. Most of these circles are nothing but spots to me. Below are the correct answers to what a person with normal color vision would see - and what I see (and most people with Red-Green color blindness). When you see what we can't see, you may understand why it's so tough to find the right sox and why we like bright colors, which are often identifiable.
Normal Color Vision			Red-Green Color Blind
	Left	Right		Left	Right
Top	25	29	Top	25	Spots
Middle	45	56	Middle	Spots	56
Bottom	6	8	Bottom	Spots	Spots
Another interesting color blindness test is below
			The test to the left is simpler. The individual with normal color vision will see a 5 revealed in the dot pattern. An individual with Red/Green (the most common) color blindness will see a 2 revealed in the dots.
Another series of color vision tests can be found on a webpage written by Terrace L. Waggoner, O.D., Staff Naval Hospital Pensacola at http://members.aol.com/protanope/colorblindtest.html