> 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 #=-