Maybe they were rimless glasses? If they used CR-39 lenses, they could shatter rather easily. For rimless, you need to use polycarbonate (ABBE value sucks) or Trivex (MUCH better lens) to keep the lens from breaking at connection points.
-=# Firewalker #=- On Jun 1, 4:32 pm, Paul <[email protected]> wrote: > I don't see how adjusting the earpiece should put any stress on the > lens. Over the years, I've made all sorts of adjustments to my frames, > usually on parts closer to the lenses, and I've never had a lens break. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
