PD, or pupillary distance, is the distance in millimeters between the center of one pupil to the other measured in millimeters. Your PD is usually included in your prescription. If not, you can measure your PD yourself. https://www.sllac.com/help/how-to-measure-your-pd
What is "PD" and how do I get mine? Print
Created by: angela CC
Modified on: Thu, 24 Jun, 2021 at 1:43 PM
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