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Thread: How to get my PD value?

  1. #1
    Alexander glasses is offline Junior Member
    Join Date
    May 2009
    Posts
    15

    Default How to get my PD value?

    There is no PD value in my prescription, and I need bifocal eyeglasses. Online customer service said PD is very important for bifocal or progressive glasses, and I can measure the PD myself. Could someone tell me how to measure my PD?

  2. #2
    Barton glasses is offline Junior Member
    Join Date
    May 2009
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    28

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    Place a regular ruler on the bridge of your nose. Have a friend face you about arms length away. Have your friend measure the distance between the center of your pupils (the black dots in the middle of your eyes). Or you can do it yourself simply by looking in the mirror. If you need your glasses on to do this, you can draw dots on the lenses where your pupils are (using a magic marker or highlighter); then take the glasses off and measure the distance between them. Reapeat the measurement 3 times for accuracy.

  3. #3
    Macon glasses is offline Junior Member
    Join Date
    May 2009
    Posts
    18

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    Hi, Alexander! You want get your pd yourself??? I think that’s not a good choice. I am agree with the methods what barton suggest but that’s not the best suggest! Pd value is a important value for your reading glasses or bifocal. You need to check it by your doctor or optimist. Not your self!!

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