RG-4001B Warner Power:3.00 The flex hinge of model

The flex hinge of model RG-4004 is recessed into the spring

The idea was to create problem-free reading glasses for the active reader

If glasses are continuously put on and taken off

ist sie nicht nur funktional

FIT-OVER model OB-1004 fits over any frame up to a size of 138 X 42 mm and turns ordinary glasses into contrast-enhancing glasses within seconds

RG-4001B Warner Power:3.00 The flex hinge of modelThe idea was to create problem free reading glasses for the active reader. The active reader uses his glasses a lot and puts them on and off often. If glasses are continuously put on and taken off, they should not deform. Not 5 times or 10 times, but also not 1000 times or more. We have therefore chosen the material TR90 for these glasses. This material is light and strong and will not easily break or bend due to its flexibility. The extra long