Visual Acuity

Identify the direction of the gap in increasingly smaller circles.

Difficulty: Medium
Avg Score: 20/20
Plays: 580K

How It Works

Identify which direction the gap in the circle points. Circles get progressively smaller.

Controls

Arrow keys or Click

You can also use your mouse/touch to interact.

Tips

  • •Sit at a comfortable distance from your screen
  • •Ensure good lighting without glare
  • •If you wear glasses, keep them on
  • •Blink regularly to keep eyes moist

Press SPACE or click the button to begin

Metric

visual angle

Average

20/20

Difficulty

Medium

Plays

580K

What It Tests

Visual clarity and detail perception. Similar to the Landolt C eye chart used by optometrists.

How It Works

Identify which direction the gap in the circle points. Circles get progressively smaller.

Why It Matters

20/20 vision is considered normal. Better scores indicate above-average visual acuity.

Tips to Improve

  • 01Sit at a comfortable distance from your screen
  • 02Ensure good lighting without glare
  • 03If you wear glasses, keep them on
  • 04Blink regularly to keep eyes moist

Visual Acuity | Free Online Cognitive Test by BrainRivals