ClearVision Optical has introduced "three new styles to its best selling DuraHinge collection this fall. Recognized for optimal strength and durability, DuraHinge now offers the first plastic model for the collection," says a post on Midwest Lens. "The latest release also introduces a new custom tooled hinge featuring the DuraHinge logo. This proprietary five-barrel hinge offers superior strength with the added flexibility of a spring hinge, yet it’s not too bulky or heavy on the face. Wider end pieces and temples provide additional durability." Read more.