Online Ishihara test for color blindness help


Settings Remark
What number do you see?
No number seen, enter a -

or

What do you see? 		If the Ishihara plate displays a number answer the question by enter the value in the input box. If you do not see a number, enter a dash: -

Some questions are multiple choice, in this case make your selection.

Note: Not all plates displays a number or a line.