Measuring Your Pupillary Distance (PD) with Zenni’s Custom Dual PD Ruler
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How to Use Zenni's Custom Dual PD Ruler
How to Measure Your PD with a Dual PD Ruler
- Look beyond your friend and fix your gaze on something 10-20 feet away.
- Keep as still as possible.
- Stand slightly to the side to allow the person being measured the ability to look over your shoulder into the distance.
- Looking at the person’s eyes through the cutouts, note the line of measurement value that corresponds with each pupil.