Originally Posted by
D_Zab
I am just beginning to study higher order aberrations so my knowledge is going to be lacking here compared to others but from what I understand they are a greater concern in Progressive designs over Flat Tops.
I believe that aberrations are more likely to occur the farther out from the optical center and due to the fact that the frame is very large and he is talking about shadows in his periphery I would speculate that his problems are more likely to be caused by the giant frame than the seg or Rx change.
I am open to being corrected though, eager to hear what some of the more experienced optiboarders have to say.
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