Free at-home vision screening tests for your PC — plus a VR mode for WebXR headsets.
Match an on-screen box to a credit card so tests can render at true physical size. Required for acuity, contrast and Amsler tests.
CalibrateTumbling-E eye chart. Measures how sharp your vision is.
Results in 20/20 (US) · 6/6 (EU) · decimal · logMAR Start testIshihara-style plates that screen for red-green and blue-yellow color vision deficiencies.
Start testLetters fade toward the background — find the faintest one you can still read.
Start testFan dial chart — if some lines look darker or sharper than others, you may have astigmatism.
Start testChecks central vision for wavy, blurred or missing areas (macula screening).
Start testCompares acuity between your eyes, with an optional 3D-glasses stereo test.
Start testTake the tests inside a VR headset: acuity, color plates, and dichoptic lazy-eye tests that show each eye a different image — no glasses or eye patch needed.
Enter VR mode