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What is and how do I determine my Pupilary distance (PD)?

April 26, 2017determine distance PD pupilary

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What is and how do I determine my Pupilary distance (PD)?

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The distance from the centre of one pupil (black spot in the middle of your eye) to the centre of your other pupil is your pupilary distance. Having a correct measurement for this improves the positioning of the lenses within your chosen frames.