T-VASI / F-VASI (Vitiligo Area Scoring Index) Estimator

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Instructions +

Here are your instructions:

  • Press C to clear all painted triangles.
  • Press B to reset the view.
  • Press F to zoom in on the face.
  • Use right/left arrow keys to select a body part.
  • Hold SHIFT while dragging to zoom in and out.
  • Click on the body to 'paint' the affected areas. The closer you are zoomed in, the smaller area that is painted.
  • Hold E while painting to erase.
About +

Estimated Body Surface Area: 0.00%

Calculate F-VASI +

Select the degree of pigmentation on the face:

Calculate T-VASI +

Select the degree of pigmentation on all relevant sites:

Head/neck
Trunk (inc genitalia)
Upper extremities (including axilla)
Hands (Dorsal only)
Lower extremities (including buttocks)
Feet (Dorsal only)