Certified Paraoptometric (CPO) Practice Exam 2025

Which part of the temple helps secure the glasses behind the ear?

1. The butt portion

2. The dowel hole

3. The earpiece

4. The bend

The correct answer is: The earpiece

The correct answer is the earpiece. The earpiece of eyewear is specifically designed to fit comfortably and securely behind the ear, helping to keep the glasses in place. It plays a crucial role in the overall fit and stability of the eyeglasses, ensuring that they do not slide down the nose or come off easily during everyday activities. The other parts, while important for the overall structure and function of the glasses, do not serve this particular purpose. The butt portion is where the temple meets the front frame, and the dowel hole is more related to hinges or the mechanism of adjustment. The bend refers to the curvature at the end of the temple that directs the earpiece towards the ear; however, it is the earpiece itself that provides the necessary contact point to secure the glasses behind the ear.