Certified Paraoptometric (CPO) Practice Exam 2025

Disable ads (and more) with a membership for a one time $4.99 payment

Gear up for the Certified Paraoptometric (CPO) Exam 2025. Study with interactive quizzes and multiple-choice questions with comprehensive explanations. Excel in your exam with our tailored preparation tools!

Start Multiple Choice Practice Test
Start Flash Cards

Practice this question and more.

What do you call the additional curves that surround the optical zone of a lens?

  1. Fringe Curves

  2. Peripheral Curves

  3. Boundary Curves

  4. Outer Curves

The correct answer is: Peripheral Curves

The term that describes the additional curves surrounding the optical zone of a lens is "Peripheral Curves." These curves are crucial in providing a smooth transition from the central optical zone to the edge of the lens, enhancing the overall comfort and fitting of the lens on the wearer's face. They help to reduce optical distortions and improve the aesthetics of the lens. Understanding the role of peripheral curves is important for ensuring proper lens performance and wearer satisfaction.

More Questions Like This