Color Blindness Test
This test is not a professional diagnostic tool
This simple color vision test is designed to help you notice possible color vision deficiencies. Always consult an eye doctor for a definitive diagnosis. The test is inspired by the Ishihara color plate principle.
📋 How to Take the Test
Set your screen brightness to normal level
Take the test in a well-lit environment
View each plate from approximately 50-70 cm distance
Select the number you see or indicate if you can't see anything
The test takes approximately 2-3 minutes
🔬 Types of Color Blindness
Protanopia (Red Blindness)
Red light receptors are missing or non-functional. Difficulty distinguishing red and green tones. More common in males (up to 8%).
Deuteranopia (Green Blindness)
Green light receptors are missing or non-functional. Most common color vision deficiency. Causes red-green confusion.
Tritanopia (Blue Blindness)
Blue light receptors are missing. Very rare. Difficulty distinguishing blue and yellow tones.
Complete Color Blindness (Achromatopsia)
All color receptors non-functional. Extremely rare. World appears in shades of gray.
📖 What You Should Know
Color blindness is mostly genetic, linked to the X chromosome
About 8% of men and 0.5% of women are affected
Total 'blindness' to color is rare — most people have difficulty with specific colors
No cure exists, but special filter glasses may help in some cases
Color blindness affects daily life: traffic lights, charts, clothing choices
First scientifically described by John Dalton in 1798
Daily Eye Tip
⚕️ This content is not medical advice. Consult an eye doctor for diagnosis and treatment.