Measure your pupillary distance (PD)
PD is the distance between your pupils, and it's used to help center a prescription correctly in your frames. Before using our PD Measuring tool, review the steps below.
1. Wearing glasses? Take them off for your photo.
It also helps to be in a well-lit area (Ideally lit with natural light) with a clean background.
2. Adjust your screen and look directly at the camera.
Click "Measure Your PD" Button and follow the instructions on the screen to adjust your position until the PD is measured .
3. Once the PD measurement shows on your screen.
Click the green button saying "Save My PD", You PD will be filled in automatically at check out.