What happens to the weight distribution when using a strap bridge?

Using a strap bridge in eyeglass frames effectively shifts the weight distribution across the entire frame. This design feature allows for a more even weight dispersion rather than concentrating the weight in a specific area, such as on the nose pad or the temples. When the weight is evenly distributed, it improves comfort for the wearer, preventing pressure points and enhancing the overall fit of the spectacles. An even distribution is particularly beneficial for extended wear, reducing the likelihood of discomfort that can arise from localized pressure. The strap bridge design actively promotes balance, allowing both the nose and the temples to share the weight, which minimizes the risk of slippage and enhances stability. This design consideration is crucial in optical dispensing, as it directly affects the wearer's experience with the eyewear.