Liu Jo Lj643s 440 C

Horizontal width [in mm] of a glass

Distance [in mm] between lenses

Length [in mm] of temple

How to get my pupillary distance (EP)?

This measurement corresponds to the distance between my
two eyes and I can recover it in several ways:





If I can not find, I can always contact
Optical Web. As they are nice, they will
be happy to explain me how to measure my EP!