Thanks for the replies.

It occurs with one eye closed.  My prescription is -3.25 with -0.25
astigmatism in one eye.

Lens option was the "Super Thin 1.61 Lenses."  I can't find any
information on the lens material.  Is there a reason Trivex could
cause this problem?

Base curve looks like the search term I needed to find out more about
the flat lens front.  Seems that could explain the distortion and why
I'm having trouble adjusting.

Also, the total width of the frames and the height of the lenses did
not match the measurements on the product page.  If the width was what
it was supposed to be then I don't think it would bother me as much
since the distortion is worst at the outer edges.  But like this I
feel disoriented whenever I turn my head and get a headache when I
wear them for more than a few minutes.

Still waiting to hear back from them.  Called and they said they would
have to call back so I emailed instead.  Their response was that they
would call the next day but they did not.



On Jan 27, 4:58 pm, actionjbone <[email protected]> wrote:
> I had a similar experience with a pair of glasses I bought from
> Firmoo. The short answer seems to be that different brands of lenses
> handle different prescriptions differently.
>
> If the Global lenses have bad distortion, try ordering from a
> different company next time and see if the lenses have less
> distortion.
>
> On Jan 25, 12:45 am, RS <[email protected]> wrote:
>
> > I purchased a pair of rimless glasses from Global Eyeglasses.  The
> > lenses seem to be correct for my prescription when looking through the
> > center.  When I am looking through a point on the lens not exactly at
> > the center, the image appears compressed.  This effect is most
> > pronounced at the edges.
>
> > I have previously ordered glasses with this prescription and PD
> > measurement from another online store which were fine.
>
> > The only thing that is somewhat strange about these lenses is that the
> > front side is completely flat.  Every other pair of glasses I have
> > owned had lenses that curved on both the front and back sides.
>
> > What could cause this effect?  Lenses slightly off in prescription or
> > cut to wrong PD measurement?  Should I take them to an optician to
> > have the prescription measured?  Could the lenses need to be mounted
> > at a different angle relative to each other (i.e., bridge bent
> > slightly)?
>
> > Thanks!

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