You might want to consider Trivex with it's higher abbe value and superior 'drill-ability' - although I have no personal experience with Trivex progressives, so get a second opinion.
See here for price/options: http://www.eyeglasslensdirect.com/Image-Trivex-p/pyim53cl.htm On Thu, Mar 26, 2009 at 4:26 PM, Firewalker <[email protected]> wrote: > > I've recently gotten rimless glasses that had Varilux Liberty > polycarbonate lenses w/Crizal AR in them. The first pair I got got had > a problem with chromatic abberation (seeing rainbows at the top > fringes of faraway objects). I had the lenses remade believing that > there was a mistake with the lenses themselves as the fitting height > was too high on the first pair, but the problem persists with the > second pair and the fitting height was corrected in these. > I don't have a strong Rx (see below), so I don't understand why I'm > having problems. > > OD Sph: +0.50 Cyl: -0.75 Axis: 045 Add: +2.25 > OS Sph: +0.25 Cyl: -0.50 Axis 133 Add: +2.25 > Lenses are 54mm Wide x 37mm High. > > My question: is this is a problem inherent with all polycarbonate due > to the low Abbe values, or is it a problem with the Varilux brand > themselves or the Crizal AR? > Do the other brands (like Zeiss or Nikon) have this problem with their > poly lenses also? And if so, what are my options for having these > rimless specs reglazed? I'd prefer a PAL with a wider corridor or a > free-form progressive, but don't know what's available for rimless > specs. > > Thanks, > -=# Firewalker #=- > > > > --~--~---------~--~----~------------~-------~--~----~ Check us out at the oft-updated http://www.glassyeyes.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 -~----------~----~----~----~------~----~------~--~---
