I'm not an expert, but I think your flatter lenses have a lower base curve. Some people are more sensitive to variations in base curve than others. I've also heard it can be more of an issue for people with higher prescriptions. If you search the forums for 'base curve,' there's a good amount of info on this subject.
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! -- Check us out at the oft-updated http://glassyeyes.blogspot.com! You received this message because you are subscribed to the Google Groups "GlassyEyes" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/glassyeyes?hl=en
