I believe the Dual ADDs progressives have a progressive surface on Both sides of the lens , Something like Definity from J&J having a fixed 0.75 addition progressive on one side and your Freeform RX progressive on the other .
Can anyone confirm whether this idea of spreading the addition on both the surface of lens, leads to any gross or visible benifits in the various zones OR
Do the rules of optics and physics still limit the zones and this is just another way of charging more from the customers ?
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