*NURSING > EXAM > 2024 Exam Prep Part 3 - Lens form and analysis New Full Exam Questions and Answers ( Included ) 100% (All)
2024 Exam Prep Part 3 - Lens form and analysis New Full Exam Questions and Answers ( Included ) 100% Correct
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1. To determine the power of a thin lens in air, it is necessary to consider: A. front curve and index of refraction B. back curve and index of refraction C. index of refraction only D. front curv... e, back curve and index of refraction Answer: D.front curve, back curve and index of refraction 2. A standard lens measure is calibrated for an index of refraction of: A. 1.490 B. 1.523 C. 1.530 D. 1.580 Answer: C. 1.530 3. A +1.75 diopter lens fabricated with a +6.00 base curve will require a back curve of: A. -4.25 D B. +4.25 D C. -7.75 D D. +7.75 D Answer: A. -4.25 4. Toric transposition is used to determine: A. lens diameter B. lens thickness C. lens power in the principal meridians D. lens material Answer: C. lens power in the principal meridians 5. A patient presents you with a prescription reading +2.75-1.00x180 in each eye. The refractive anomaly indicated by this Rx is: A. simple myopic astigmatism B. simple hyperopic astigmatism C. mixed astigmatism D. compound hyperopic astigmatism Answer: D. compound hyperopic astigmatism [Show More]
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