Pupillary Distance Measurement with Iris Calibration & Offset Green Line
The green 12 mm reference line is offset inside the red circle to match typical eye position.
1) Upload and adjust your photo so your face fits inside the circle and the iris diameter visually matches the green 12mm line (offset near one eye).
2) Click "Confirm Image Placement" when satisfied.
3) Mark two points on the iris diameter (red points).
4) Click "Confirm Iris Mark" to lock calibration.
5) Mark centers of both pupils (blue points).
6) Click "Measure PD" to see the pupillary distance and overlay guide.
7) You can drag markers to reposition them if placed incorrectly.
8) Use "Reset" to start over anytime.
2) Click "Confirm Image Placement" when satisfied.
3) Mark two points on the iris diameter (red points).
4) Click "Confirm Iris Mark" to lock calibration.
5) Mark centers of both pupils (blue points).
6) Click "Measure PD" to see the pupillary distance and overlay guide.
7) You can drag markers to reposition them if placed incorrectly.
8) Use "Reset" to start over anytime.