Yes, I agree, if you are under -4.00 or so, you can just stick with the basic lenses offered. No need to go for higher index lenses like 1.61, 1.67 or 1.74.
On Jun 9, 11:47 pm, Paul <[email protected]> wrote: > There's no point in getting higher index lenses with a low > prescription like that. You won't notice any difference in thickness, > and the optical properties are better for the lower index (1.49) CR39 > are better. Much less expensive, too. > > "Index" is short for "index of refraction," not "index size." "Size" > refers to the physical size of the parts of the eyeglasses. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
