Certified Paraoptometric Practice Test

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Prepare for the Certified Paraoptometric Test! Study using flashcards, multiple choice questions, and detailed explanations. Get ready for your exam and boost your optometric skills!

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Which type of lens corrects vision at three distances?

  1. Bifocal

  2. Trifocal

  3. Progressive

  4. Single Vision

The correct answer is: Trifocal

Trifocal lenses correct vision at three distances: near, intermediate, and far. Bifocal lenses only correct vision at two distances - near and far. Progressive lenses are similar to trifocals but provide a smooth transition between near, intermediate, and distance vision. Single vision lenses correct vision at only one distance, either near or far, but not both. Therefore, the correct answer is B.

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