PD between my new prescription and an old one

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newbie - 04 Jan 2008 00:07 GMT

Recently, I have my eyes checked and got a new prescription. The results
were not that much diff from the one I did about 2 years ago. One thing
that kind of stood out is the PD readying. My new prescription is 67 mm
and the old one is 71 mm. If I decide to get a new pair of progressive
glass, what PD should I be using? 67, 71 or ...?
Thanks.

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Mark A - 04 Jan 2008 03:06 GMT

> Recently, I have my eyes checked and got a new prescription. The results
> were not that much diff from the one I did about 2 years ago. One thing
> that kind of stood out is the PD readying. My new prescription is 67 mm
> and the old one is 71 mm. If I decide to get a new pair of progressive
> glass, what PD should I be using? 67, 71 or ...?
> Thanks.

Are you related to Babe Ruth?

You should use neither because you should have individual PD's measured for
each eye, and not just the combined PD. The person who does the fitting when
you order your frames and lenses will redo the PD.

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