Measure your binocular pupillary distance using your webcam for accurate eyeglass fitting.
Position your face in front of the camera
Keep a standard credit card ready for calibration
Look straight at the camera
Hold still for accurate measurement
Position your face in front of the camera
Keep a standard credit card ready for calibration
Hold a credit/debit card horizontally under your nose, touching your face
You'll align on-screen guides with your card edges for precise calibration
Card Calibration
Drag the handles to align with your card's left and right edges
Card Width: -- px
Card aligned
Standard credit/debit card width: 85.6mm (ISO 7810).
Align the cyan handles with the left and right edges of your card visible in the video.
Loading...
Initializing camera...
Camera Error
Unable to access camera. Please check permissions.
Face Detected
Position your face in the frame
L
R
Too closeOptimalToo far
Left PD--mm
Total PD--mm
Right PD--mm
Measuring...
This measurement uses your face proportions for calibration.
Keep your face at arm's length (~40cm) from the camera and look straight ahead.
Disclaimer: This webcam-based PD measurement is an estimate only (±2mm accuracy).
For the most accurate results, please have your PD measured by an optician.
Using an inaccurate PD may affect the quality of your prescription lenses.
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