Ok that makes sense, I will have to play with that on Monday, so for arguments sake I will grab a -2.00, plano, +2.00, and for kicks and giggles a +4.00 and use these for the distance Rx. I will also grab a +2.50 for my super imposed add and in order to get 2 diopters of base in prism I will need to move the +2.50 lens 8mm for each example?
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