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Sunglasses For Pilots and Aviation Enthusiasts

How to measure your pupilary distance (PD). Pupilary distance is the distance from the center of your right eye to the center of your left eye. This is important when ordering prescription lenses.

How To Measure PD

How to measure your PD so that your prescription sunglass lenses will be correct.

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What is PD, or Pupilary Distance. Pupilary distance is the distance from the center of your face to the center of each eye (left and right), and is used in making prescription lenses for you.

How Important Is Your PD?

The importance of your PD measurement when ordering prescription sunglasses online, including how to measure your PD yourself.

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