Question: A subject is tested using a +8.00 D trial lens which is mounted in a trial frame whose pantoscopic angle is 10. The final lens

A subject is tested using a +8.00 D trial lens which is mounted in a trial frame whose pantoscopic angle is 10. The final lens which the subject wears is mounted in a frame whose pantoscopic angle is 20. Compare the two corrections. Assume each lens is made in glass of refractive index 1.50.Answer should be Rx as tested: +8.08/+0.25x180Rx dispensed: +8.31/+1.10x180

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