by Jakub

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This prescription is for -1.25 diopters (under "sphere"), plus some astigmatism ("cylinder" and "axis"). You won't find an off-the-shelf corrective piece to deal with astigmatism — usually we just ignore that. The add-on corrective eyepiece is designed so the nominal number is the result when used in combination with the existing adjustment in its neutral ...


Agreed - my prescription is aprox -2, and the -2 eyepiece works for me.

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