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Glaucoma Simulator

Find content lost to tunnel vision and field loss.

Private by design

Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.

Preparing tool

How to use Glaucoma Simulator

  1. Add a screen, page or sign, or try the sample.
  2. Click where the eye is looking, then pick narrowed view, upper or lower field loss and a stage.
  3. See how much text falls in the affected area and export the result.
Read the detailed guide →

What are the limits of Glaucoma Simulator?

Field loss is drawn as a soft blurred mask; real loss varies and the brain fills it in, so people often do not notice it. Not a diagnosis. The image stays on your device.

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