Pupils Distance

Have you tried PD measurement before buying eyeglasses online? Know how to measure Pupillary Distance & get your perfect Pupil to Pupil Distance from www.pupilsdistance.com. Pupillary Distance (PD) is the measurement of the distance between the centers of your pupils. This number is important when ordering prescription eyeglasses because it helps to choose the eyeglasses of best comfort.

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