You can use the online calculator to get an idea about the thickness of many common lens materials:
http://opticampus.com/tools/thickness.php In your case, compare the difference between 1.56 and 1.6 will be close enough since there is no 1.57 option. Welcome to online glasses shopping! On Sep 12, 1:29 pm, Jen <[EMAIL PROTECTED]> wrote: > I'm new to shopping online in general, never mind for glasses, and I > had a question. At last checkup, both my eyes were -6.00, and usually > when I purchase them from local retail stores, I get the upgrade to > "ultrathin". I'm now considering a few styles from eyebuydirect.com, > and I'd like to know if anyone knows if theres a major difference > between their "thin and lite" (1.57) and "ultrathin" (1.6). There's a > decent price margin, and I need to know if it's worth the extra $17 to > get the 1.6. > > Thanks! > > ~Jen --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
