Hello, new member here
Im currently dealing with the following big prescription: -16 on one eye, and -18 on the other.
What would be the approximate size difference, in terms of thickness of the lens at the edges, between 1.74 double aspheric lenses and 1.76, if any at all?
Are 1.76 lenses worth the extra price investment?
Btw, the chosen frame has a lens diameter of 47mm
Thanks!
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