Details

Model : 3D ED 1921
53 mm	16 mm	141 mm

approx 135 mm	41 mm

Measure Pupil Distance (PD)

Pupillary distance (PD) measures the distance between the centers of your pupils. This measurement is used to determine where you look through the lens of your glasses and should be as accurate as possible. The average adult's PD is between 54-74 mm; kids' are between 43-58 mm.

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