- Gradal Individual is Individual Free Form PALs.
- Hoyalux iD is Free Form Integrated Double Surface Progressive Design PALs
Hoyalux iD is not individual PALs and all performance will drop if the frame can not adjust to standard position of wear.
Gradal Individual can have fully performance even in non-standard position of wear by order individual parameter of the frame.
Zeiss Gradal Individual
SPH. + 5.00D CYL. - 2.00 A 150 ° ADD 1.50D
PD 60 mm, BVD ( Back Vertex Distance ) 9 mm,
pantoscopic angle 3°
Form :
http://www.zeiss.de/4125680f0053a38d...256894003cf487
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