As a bystander, I'm confused - why is Chuck's interpretation different than online Doc's? Am I missing something here?
On Sep 21, 11:22 am, onlineIDoc <[EMAIL PROTECTED]> wrote: > NV rx: > > +3.25 -.50 X 100 > +2.75 -.25 x 95 > > transcribed to (-)cyl form as more popular (and technically correct) > > On Sep 21, 11:10 am, "Chuck Knight" <[EMAIL PROTECTED]> wrote: > > > His reading prescription is simple. It's calculated as SPH + ADD. In his > > case that's (+0.25) + (+2.50) = (+2.75). > > > He has astigmatism (CYL and AXIS), too, so his readers will be a bit more > > complicated than the average drug store pair. Should work better, too! > > > You said he usually wears +1.50? These will be quite a bit stronger. > > > -- Chuck Knight > > > P.S. Be sure to include an accurate PD reading!!! > > > On Sun, Sep 21, 2008 at 9:25 AM, AuntieM <[EMAIL PROTECTED]> wrote: > > > > Hi there! > > > > Now that I have successfully ordered several (okay ... FIVE) pairs of > > > single vision glasses from Zenni, my husband is interested in > > > purchasing some durable readers in a titanium frame from them. He does > > > not wear glasses except for reading/close work. Recently he went to an > > > eye doctor for the first time in ages and received the following > > > prescription: > > > > SPHERE CYLINDER AXIS ADD V/A > > > OD +025 +050 010 +250 20/20 > > > OS +25 +025 005 +250 20/20 > > > > Am I correct that if filled as written these glasses would be bi- > > > focals? Since he doesn't wear glasses all the time (and > > > notwithstanding the prescription, he probably won't any time soon), > > > how do I order a pair of readers for him based on this prescription. > > > Is the ADD value of +250 the equivalent of a 2.50 magnification pair > > > of readers off the rack? I ask because he usually buys 1.50 readers > > > from the store. > > > > Any help you all can give is MUCH appreciated. Thanks in advance. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
