Certified Ophthalmic Assistant Practice Exam

Which type of bridge provides a more traditional fit on a spectacle frame?

1. Keyhole bridge

2. Plastic bridge

3. Saddle bridge

4. Metal bridge

The correct answer is: Saddle bridge

The saddle bridge offers a more traditional fit on a spectacle frame because it is designed to sit comfortably on the nose and provide even weight distribution across the bridge. This design typically has a curved shape that resembles a saddle, which helps to conform to the natural contours of the nose, enhancing comfort and stability. A saddle bridge is particularly effective in preventing the glasses from sliding down the nose, making it a popular choice in classic eyewear designs. In contrast, the keyhole bridge, while offering a distinctive aesthetic and some comfort, is typically designed for a specific type of frame and may not provide the same level of stability as the saddle bridge. The plastic and metal bridges can also vary in comfort and fit, but they do not maintain the same traditional design principles as the saddle bridge, which is a hallmark of many classic spectacle frames. Thus, the saddle bridge stands out as the choice that embodies the traditional fit expected in eyewear.