1. Colour blindness Test

8. The test to the left is simpler
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.

9. Left Right Top 25 29 Spots Middle 45 56 Bottom 6 8 Normal Color Vision
Red-Green Color Blind
Left
Right
Top 25 29
Spots
Middle 45 56
Bottom 6 8

12. Answer to Card #2:    Colourblind individuals should see the yellow circle. Colour normal individuals should see the yellow circle and a "faint" brown square.

13. Colourblind individuals should see nothing
Colourblind individuals should see nothing. Colour normal individuals should see a "faint" brown boat.

14. Everyone should have seen a 16 on the Demonstration Plate

15. You should see a 2 on the first test plate

16. You should see a 5 on the second test plate

17. You should see a 15 and a colour deficient person will see a 13 or 17 or nothing.

18. Normal Red - weak Green-weak Red/green weak
How the Colour Deficient Person  Sees the World  Red/green colourblindness
Normal    Red - weak    Green-weak Red/green weak

19. Normal Protanope Deutanope
This is how numbers look to a dichromate (only two photopigments) on a color vision test. *Tritan is not included because it is extremely rare.
                         Normal                     Protanope                    Deutanope

20. This is how a photograph looks to a dichromate Normal            Protanope              Deuteranope

21. 5-8% of males
0.5% of females