Even a major collection of prescription glasses
only includes a few specimen that have a six
diopters gap between the left lens and the right
lens. I have a four diopters Rx difference
between my left and right eye and it takes a lot
of subjective testing to find out the best receipt.
I prefer to have the minus eye corrected at 100%
or more and give my plus eye a correction in what
you may call "soft focus". By doing this, the smaller
image puts in the details whereas the "blown up"
image provides a mellow but still clear background.
As a result, my eyes are never in competition!
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