4. Bifocal segment height centering    Viewing height  (Y: R/L) Pupillary distance (Single-PD R/L + Total-PD) Bifocal segment height Sports glasses with glasses with higher base curve Range of application: 2. Precise centering while wearing glasses - without a pen DUO-Tool Two part MAGNET-CENTERING TOOL for universal and precise analog centering  while glasses are worn with natural head and body position - WITHOUT A PEN   5. Direct measurement      3. Direct measurement    Press MAGNET-CENTERING TOOL for opticians by pluraform      Made in Germany   1. Universal MAGNET-quick mounting:   
Only 8,5g weight Contact Impressum Privacy Policy Centering of glasses while worn Precise work - without a pen Direct eye control with natural head and body posture of the wearer  Ideal for verification of video measuring data  Practical for mobile use Also very good applications using already glassed correction frames and for glasses/demo lenses  with anti-reflex coating, cleancoat or lotus effect High quality workmanship - Made in Germany -DUO HOME Problem OptocentrO-MONO OptocentrO-DUO SHOP OptocentrO-PD-STICK clack!   PD R/L      Y(R)      Y(L)