Optiker-Forum

I read that Seiko Super MV (now called Individual A-Z?) has double side freeform, front and back sides, which produces very clear vision on the edges. Some other product from Hoya is possibly also double sided. How much improvement is there from double side freeform, compared to single side? Are the...

Guten Tag, the Optiker offered me individual single vision lens from Optiswiss for xxx€. It's the first time I considered this "freeform" process. How is the comparison between Optiswiss One S-Fusion (One HD), to others, e.g. Essilor Eyecode, Zeiss Individual SV, Rodenstock Impression Mono...