Details

Model : YGHY 55054
51 mm	19 mm	145 mm

approx 130 mm	47 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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