I agree that 53mm is quite small, but if you have a small head or narrow head then it is possible. I have used a method similar to yours for measuring PD in the past and it works quite well, however I would suggest that the picture be taken from at least 8-10 feet back (so that you don't focus on the camera which will be close to your face in your method and would call your eyes to pull inward and decrease your PD). You can stand further back and use the cameras zoom feature to get a more close-up picture. You can open the picture in a program like paint or ms picture viewer, but if you have photoshop, that's fine too. If you find it hard to see the center of the actual pupil, you can measure from the edge of the pupil to the same edge on the other pupil (right edge of one pupil to right edge of the other pupil) as this will be the same as center to center. The higher the prescription, the more critical the PD measurement. Your in the mid to high range so I'd want to be pretty sure of the PD. If all else fails and you are still not 100% sure, try dropping by an optical store (Wal-mart seems to be a popular choice) and have them measure it for you. Some people have noted that they did this for free and other have said there was a small charge for it. As far as the high index lenses go, it couldn't hurt. Zenni has a 1.61 lens option also which would probably work for you since you probably won't be buying something with large lenses anyway.
On May 19, 9:17 pm, Chandra <[email protected]> wrote: > I need to doublecheck my methodology of taking my PD....I took a > millimeter ruler to my face, resting it on bridge of my nose and had > my son take a digital camera picture close up picture of my eyes with > the ruler. Using Adobe photoshop I made a straight line through the > middle of each pupil to the ruler. Using that I did some measuring > and came out with 53mm for my PD. > > Does my methodology sound correct? > > Now I'm asian indian and have a narrower face than most (at least I > think)....This is my first time buying glasses through the internet > and I just worried if I screw up this PD measurement I'll have wasted > paying for set of glasses. > > My prescription is (R) -5.25 / -0.75 x 90 (L) -5.50 / -0.75 x > 90....do you recommend going 1.67 high index? > > Thanks, > Chandra --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
