mineral glass would be thinner but more dangerous and not available in all counties at the correct center thickness to ensure safety.
The 1.71 or so plastics are safer but will be thicker and possibly cause more distortions such as chromatic abberation etc. On Oct 6, 3:09 pm, deb <[EMAIL PROTECTED]> wrote: > Hi, > > My rx is -10.5/-9.25 no prisms some astigmatism, single vision > lenses. Would the 1.8 mineral glass lenses be very heavy at this > level? Or would i be better off with the high-index plastic lenses at > 1.71? > > Thanx, > > --deb --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
