Basic S40
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Advantages

 

A non-compensated design with soft transitions for an easy adaptation

Basic S40 is a well-balanced design, the compromise between far and near has been engineered for giving good vision at both distances. As a soft design the unwanted astigmatism is very low, providing wearers with comfortable sensations due to the reduction of distortions like swim effect. Unexperienced wearers will appreciate it due its comfort and balanced compromise between distances.

Basic S40 is a good optical solution for those wearers that are looking for an intermediate price soft progressive lens.


Target & Positioning

  • Ideal for novice ( or non-adapted) users who needs a progressive design for a general use
  • Non-compensated design with an exceptional comfort and easy adaptation

Performance at each distance
Far
Intermediate
Near
Minimum Fitting Height MFH
16 mm
18 mm
20 mm

Cylinder Map MFH = 18 mm   Power Map MFH =18mm
  Well balanced basic soft design  
  Minimum astigmatism  
  Soft transition between optical zones  
  Available in three progression lengths  
  Surface Power calculation technologies guaranties a precise values with focimeters  
  Variable Inset: Automatic and manual  
  Frame shape optimization available  

Vertex distance  
Near working distance  
Pantoscopic angle  
Wrapping angle  
IPD  
SEGHT  
HBOX  
VBOX  

Design Performance


 

 

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