I'm not aware of the physics but I've had a few patients complain to me after switching to higher index CR-39s (sometimes even 1.57) that they are liking the better look but when driving, the straight lines seldom stay straight, especially near the edges.
Is this an inherent problem with high index lenses? That is, for the same diopter, is the Chromatic Aberration directly proportional to the lens' index?
Or is this due to some specific process during the making of such lenses (AR, etc.) that can be avoided by giving an appropriate instruction to the lab to skip that process?
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