His reading prescription is simple. It's calculated as SPH + ADD. In his
case that's (+0.25) + (+2.50) = (+2.75).
He has astigmatism (CYL and AXIS), too, so his readers will be a bit more
complicated than the average drug store pair. Should work better, too!
You said he usually wears +1.50? These will be quite a bit stronger.
-- Chuck Knight
P.S. Be sure to include an accurate PD reading!!!
On Sun, Sep 21, 2008 at 9:25 AM, AuntieM <[EMAIL PROTECTED]> wrote:
>
> Hi there!
>
> Now that I have successfully ordered several (okay ... FIVE) pairs of
> single vision glasses from Zenni, my husband is interested in
> purchasing some durable readers in a titanium frame from them. He does
> not wear glasses except for reading/close work. Recently he went to an
> eye doctor for the first time in ages and received the following
> prescription:
>
> SPHERE CYLINDER AXIS ADD V/A
> OD +025 +050 010 +250 20/20
> OS +25 +025 005 +250 20/20
>
> Am I correct that if filled as written these glasses would be bi-
> focals? Since he doesn't wear glasses all the time (and
> notwithstanding the prescription, he probably won't any time soon),
> how do I order a pair of readers for him based on this prescription.
> Is the ADD value of +250 the equivalent of a 2.50 magnification pair
> of readers off the rack? I ask because he usually buys 1.50 readers
> from the store.
>
> Any help you all can give is MUCH appreciated. Thanks in advance.
>
> >
>
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