Certified Paraoptometric (CPO) Practice Exam 2025

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What is the function of the bridge in eyeglass frames?

  1. Holds the lenses firmly in place

  2. Connects the two eyewires together

  3. Distributes weight evenly across the nose

  4. Allows for comfortable fitting behind the ears

The correct answer is: Connects the two eyewires together

The bridge of eyeglass frames plays a crucial role in connecting the two eyewires together, which maintains the structural integrity of the entire frame. This connection is essential for ensuring that the lenses remain properly aligned in front of the wearer's eyes, as well as providing stability to the overall frame design. While the distribution of weight across the nose is important for comfort, the primary function of the bridge is indeed to link the eyewires. This structural component helps in maintaining the proper distance between the lenses and contributes to the overall fit and alignment of the glasses on the wearer’s face.

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