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Ishihara Test
Color Blind Test
Find the hidden numbers and
test your color vision!
10 plates / Ishihara style
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What is the Color Blind Test?
The Ishihara Color Vision Test was developed in 1917 by Japanese ophthalmologist Shinobu Ishihara. It screens for color vision deficiency by hiding numbers within patterns of colored dots. This online test is for casual screening purposes only โ consult an eye care professional for accurate diagnosis.
How to Play
- Find the hidden number in each plate.
- Select the number you see from the choices.
- If you can't see a number, select 'Can't see'.
- Complete all 10 plates to see your results.
Did You Know?
- About 8% of men and 0.5% of women worldwide have some form of color vision deficiency.
- The Ishihara test has been used for over 100 years as a proven color vision screening method.
- Red-green color blindness is the most common type and is inherited via the X chromosome.
- Some animals see fewer colors than humans, while mantis shrimp can see far more colors than we can.
Frequently Asked Questions
Is this an accurate medical diagnosis?
No. This test is for casual screening purposes. For accurate color vision diagnosis, please consult an eye care professional.
Can my monitor settings affect results?
Yes, screen brightness, color temperature, and blue light filters can affect results. Try testing with default display settings.
Can color blindness be treated?
Currently there's no cure for color blindness, but color-corrective lenses may help in some cases.