See the world through different eyes
Take a quick test to build your own vision profile, or tap any condition below to see through it right now.
Why did I build this? I'm color blind, and people always ask me what color things are. I got tired of explaining, so I built this.
See through colorblindness
Learn about color blindnessDeuteranopia (strong)Green-blind≈1 in 12 men have red-green CVDAchromatopsiaComplete color blindness with light sensitivity≈1 in 30,000 peopleProtanopia (strong)Red-blind≈1% of menTritanopia (strong)Blue-blind≈1 in 10,000 peopleBlue cone monochromacyOnly blue-sensing cones work, so almost no color remains≈1 in 100,000 peopleDeuteranomaly (moderate)Green-weak≈5% of men, the most common CVD
Other vision conditions
Migraine auraA shimmering blind spot before or during a migraine≈1 in 4 people who get migrainesFloatersDrifting specks and threads across your view≈7 in 10 people experience themGlaucomaPeripheral vision loss≈80 million worldwideCataractsCloudy, yellowed vision≈half of adults by age 80Field loss (hemianopia)Half of the visual field is missing≈1 in 3 stroke survivorsMacular degenerationCentral blind spot≈200 million worldwideRetinitis pigmentosaTunnel vision from progressive peripheral loss≈1 in 4,000 peopleVisual snowConstant static-like flickering across vision≈2–3% of peopleDiabetic retinopathyBlurry, patchy vision with dark spots≈1 in 3 people with diabetesNearsighted (myopia)Distance appears blurry≈1 in 3 people worldwidePresbyopiaAge-related difficulty focusing up close≈1.8 billion worldwideAstigmatismBlurred vision with reduced contrast≈1 in 3 peopleFarsighted (hyperopia)Near objects appear blurry≈1 in 10 adults