We know Prentice's rule, power times decentration, in centimeters. What about a vertical component in compound prism initiated by horizontal decentration of an oblique axis spherocylinder? Essentially, this prism is manifest without any decentration in the direction of the base or apex orientation, which, in my mind, is contrary to Prentice's rule. This just occured to me out of the blue. Am I missing something?
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