Certified Paraoptometric Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

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

Power

Diameter

Zone

Axis

The term that describes the cylinder's position within the lens is axis. This is because the axis refers to the vertical or horizontal orientation of the cylinder in the lens, and is expressed in degrees. Power (option A) refers to the strength of the lens, while diameter (option B) refers to the overall width of the lens. Zone (option C) is not a common term used in describing lenses, so it is not the correct answer.

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