Disclaimer. Your screen, lighting, viewing distance and vision correction affect this activity. It cannot confirm or rule out color vision differences or determine a clinical vision prescription. Full disclaimer

Visual Acuity Challenge

Spot which way the gap in the ring points.

Start testAbout 2 minutes · demo and practice first

Informal challenge · not a health screening

About this challenge

How often you identify the direction of a gap in a ring as the gap gets smaller on your screen.

DurationAbout 2 minutes
Format20 ring trials, untimed
Device and setupKeep your usual glasses or contacts on and sit at a comfortable, normal viewing distance. Do not zoom the page during the activity.
Accessibility limitsDepends on vision by design. Arrow keys or on-screen buttons.
Free resultCorrect answers by gap size
PrivacyYour answers are never sent to advertisers. Signed in, your results are saved to your account.