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Shape Difference

Depth Difference Recognition

Find the shape with a different depth from a group of same-depth shapes.

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Shape Difference

How to play

  1. 1Four identical shapes appear; put on the glasses and fuse.
  2. 2Three sit at the same depth; one looks nearer or farther.
  3. 3Click the shape with a different depth.

Tip

You must use binocular fusion to perceive depth difference; with one eye, all shapes look the same.

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Vision Training is a home vision-training tool, not a medical device, and provides no medical advice. If you have an eye condition or discomfort, consult a professional doctor.