Reddit reviews SUNWIN Straight Edge PD Ruler Pupillary Distance Ruler (PD Ruler)
We found 2 Reddit comments about SUNWIN Straight Edge PD Ruler Pupillary Distance Ruler (PD Ruler). Here are the top ones, ranked by their Reddit score.
The pd ruler can help you when you want to buy glasses onlinePut the notch over your nose, as close to your eyes as you can, then find the middle if your pupils in a mirror, read the line closest to the middle of the pupils.Length (mm):150Note that this does not come with any instructions, so if you don't know how to take a PD measurement, you will need to look that up on the internet.
I bought this:
https://www.amazon.com/gp/product/B01FJQGFE4/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
Get an IPD ruler to measure properly, they're cheap. Then set it and forget it.
https://www.amazon.com/SUNWIN-Straight-Ruler-Pupillary-Distance/dp/B01FJQGFE4/ref=pd_sbs_328_2?ie=UTF8&dpID=31FWrjBb4sL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_&psc=1&refRID=ZMBM7JX15ABW1W7RPC8Q