One of those measurements is wrong. There's too much of a discrepancy
to blame on human error or calibration issues.
So, let's start with the obvious question. The new PD is 65...you
didn't make a typo, and mean 56, did you?
With a discrepancy as big as this one, I would expect you to have
blinding headaches and alignment problems if you had used the wrong PD
2 years ago. Consequently, I lean towards the new one being wrong.
An easy way to tell is to hold a ruler up and look in a mirror. One
value or the other will be more believable.
If you want it professionally measured I'd go by any WalMart, CostCo,
or Sears Optical, and ask to be measured...again.
-- Chuck Knight
On Mon, Nov 2, 2009 at 6:07 PM, Blu <[email protected]> wrote:
>
> I ordered a pair of glasses online two years ago using a PD of 57/54
> that I got from my old optometrist. I just had an exam at a new
> optometrist and asked him to check my PD just to see if he would do
> it. It was 65...
>
> >
>
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