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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What is the prescription strength of the lens called?

Base curve radius
Peripheral curves
Prism diopter
Lens power

The correct answer is: Lens power

The correct answer is D. Lens power refers to the prescription strength of the lens, which is measured in diopters. The lens power indicates how much refractive correction is needed to correct a person's vision. Base curve radius (A) refers to the curvature of the back surface of the lens, peripheral curves (B) refer to additional curves on the lens to provide a better fit or cosmetic appearance, and prism diopter (C) refers to the amount of prismatic power in a lens to correct eye alignment issues.