Colour Blindness

Test

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What numbers do you see revealed in the patterns of dots below?

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 colour blindness test is below

This test is simpler.

The individual with normal colour vision will see a 5 revealed in the dot pattern.
An individual with Red/Green (the most common) colour blindness will see a 2 revealed in the dots.