Ishihara Test for Color Blindness | |||||
| |||||
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 color blindness test is below | |||||
The test to the left is
simpler. |