Pupillary Distance alias PD is the distance from the centre of pupil of one eye to the other. PD is necessary for getting eyeglasses, to correct your vision. The measurement plays a vital part in determining correct positioning of your lenses within the frame. Especially when you are looking for bifocal or multifocal lenses, PD is mandatory.
Usually PD is mentioned on the glasses prescription provided by your eye care professional. Don't worry if it's not available, you can measure it yourself following few simple steps.
How to Measure PD Yourself?
What do you need?
You simply require a ruler and mirror.
That's it, your PD is ready.
Things to Note:
With your PD and prescription, you can order perfect pair of glasses at Framesbuy and enjoy enhanced vision.