So, I will enter .50 for my sphere (that would be halving my ADD of 1.5 and adding sphere of -.25). I assume I still put in the astigmatism numbers (Cyl and Axis) even for single vision lenses?
I'm a little slow here on the math (ha, ha)... bear with me! Thanks! On Dec 8, 9:45 am, rdclark <[EMAIL PROTECTED]> wrote: > On Dec 7, 6:06 pm, Claire <[EMAIL PROTECTED]> wrote: > > > Hi rd-- would you please share with me how you configured your > > prescription for single vision lenses for computer use? > > Claire, I just followed the procedure outlined on Zenni's > site:http://www.zennioptical.com/cart/pages.php?pageid=16 > > It says: > "Single vision computer glasses – Split the Add number in half, and > combine that split number, with the Sph. Discard the remaining Add, > and leave the Add data entry field blank. Use the distance PD, unless > your monitor is virtually in front of your face, in which case, you > may wish to narrow the PD a millimeter or two, for the sharpest > focus." > > I used the same PD as for my progressives and it worked perfectly. I'm > getting perfect focus at 24" from twin 20" WS monitors, and the > glasses are useful at distances between 18" and 36". --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
