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!

Practice this question and more.

Which term describes the cylinder's location within the lens?

Aperture
Gradient
Tilt
Axis

The correct answer is: Axis

Axis is the term used to describe the location of the cylinder within the lens. Aperture refers to the opening that allows light to pass through the lens, so it is not the correct term. Gradient refers to the gradual change in intensity or color, so it is also not the correct term. Tilt refers to the angle or slope of the lens, not necessarily the location of the cylinder within the lens. Therefore, D is the best answer that describes the cylinder's location within the lens.