You're right that plus prescriptions benefit much more from aspheric design than simply a decrease in thickness. All the 1.67 lenses i've ever seen were aspheric as well, although the designs vary, perhaps with Seiko 1.67 being the gold standard.
iPhone On Jun 3, 2009, at 9:58 AM, Paul <[email protected]> wrote: > > We pretty much were only discussing minus prescriptions. > > With plus prescriptions, isn't it getting common to reduce thickness > with aspheric lenses? I even see aspheric lenses on $10 drugstore > reading glasses. > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
