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 center area of the lens that provides optical correction for the patient's vision?

  1. Base curve radius

  2. Peripheral curves

  3. Optical zone

  4. Segment height

The correct answer is: Optical zone

The center area of the lens that provides optical correction for the patient's vision is known as the optical zone. This area is specifically designed to correct the patient's refractive error and provide clear vision. The base curve radius refers to the curve on the back surface of the lens, while peripheral curves are the additional curves around the edges of the lens. Segment height is the measurement from the bottom of the lens to the top of the segment in a multifocal lens. However, none of these options specifically refer to the central area of the lens responsible for optical correction, making the correct answer the optical zone.

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