Richard said:
Hmmm, if I understand the addition and subtraction of positive and
negative numbers correctly, the formula should be:
nominal value = (actual power) + (-0.7 diopter)
My diopter is -1.25 and according to the above formula my OM correction
lens should be a -1.95 or -2. In truth, a -3 type 1 works for me on my
OM-1.
--------------------------
Uh, oh! Your experience actually fits the table shown in the eSIF.
Chuck Norcutt
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