Perhaps, many people do not know exactly what pupillary distance is. People say PD as the short name of pupillary distance. PD or pupillary distance, as the name suggest, is the distance between your pupils.
You need to know the distance between your pupils to decide the corrective lenses or eyeglasses you are going to wear. You can ask your doctors to examine or measure your pupillary distance. You cannot come to the opticians. Opticians don’t want give you PD data. They are simply providing and selling any types or models of eyeglasses that you need to make your vision better and clearer.
There are many stores that sell eyeglasses you might need. But, you might wonder why Opticians keep you away from ZenniOpt. You can browse on the internet about Zenni: the #1 online eyeglasses store so that you can decide yourselves whether you need to stay away from them or not.