Exam (elaborations)
ABO Practice Exam 100% Solved Correct (American Board of Opticianry)
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ABO Practice Exam 100% Solved Correct (American Board of Opticianry) if three identically shaped meniscus convex lenses are made, one from each of these ophthalmic materials: ophthalmic crown, polycarbonate and CR-39, which will read the strongest plus power in the lensometer? [Answer: - polycarbo...
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