What is PD number? - Buy Cheap Glasses Online, Prescription Glasses Frames Expert

Naomi Eyeglasses · #1 (**permalink**) 09-14-2010, 10:22 PM

I want to order today, but on my copy of prescription, it does not say anything about my PD number. What is my PD number? How or where do I get to measure it?

Nyasia Eyeglasses · #2 (**permalink**) 01-26-2011, 07:21 AM

Your pupillary distance, or PD, is the distance between the centers of your pupils in millimeters (mm).

This measurement is necessary to ensure the correct positioning of your lenses within the frame you have chosen.

You have several ways to obtain Pupil Distance, but we strongly recommend to having your PD measured by a professional.

1. If you bought glasses before, contact the store you got your glasses from and ask them for your PD(recommended).
2. Go to a local eyewear store or optometrist office and get your PD measured. Most of them will only charge $5 for measuring your PD(recommended).
3. Contact your optometrist for your PD(recommended).

Kenzie Eyeglasses · #3 (**permalink**) 02-17-2011, 08:00 AM

Just like most doctors do, they do not write PD number on copy of prescription. You need to ask them during the check up or simply call your doctors office and as for PD number, recommended.

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