Screen your vision with our calibrated tests for visual acuity, color vision, astigmatism, and contrast sensitivity.
Hold a standard credit card against your screen and adjust the rectangle below to match its exact size.
đ Don't worry, we can't scan your card through the screen!
Your screen: -- pixels per mm
This calibration ensures accurate letter sizes for vision testing.
Reading distance acuity test
Standard 20/20 test (10 feet)
Color blindness screening
Detect corneal irregularities
Low contrast detection
Run all tests in sequence
â ī¸ Please complete screen calibration first to enable tests.
Step 1: Calibrate â Use a credit card to calibrate your screen. This allows us to display letters at the correct physical size.
Step 2: Position â Sit at the recommended distance. For near vision tests, this is about 16 inches (arm's length). For distance tests, step back to 10 feet.
Step 3: Test Each Eye â Cover one eye and complete the test, then switch to the other eye.
Step 4: Review Results â Your results are displayed and saved automatically. Track changes over time.