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Convergence Hold

Convergence Range

One eye sees the eyes, the other sees the nose and mouth. Together they make one complete face.

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Convergence Hold

How to play

  1. 1Put on the glasses and bring the two halves into one complete face
  2. 2The two copies drift slowly apart — keep up with them
  3. 3If you see two faces or something disappears from the face, tap 'It split apart'
  4. 4At the farthest point, choose 'Still one whole animal' if the face is complete. If it has split apart, choose 'Already split apart' to retry this round.

Tip

Use the screen from about 50 cm on a computer, 40 cm on a tablet, or 30 cm on a phone. +100 means you passed that round; your final score uses the furthest separation. Pause if you feel uncomfortable.

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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.