Tierney Reading Glasses by Foster Grant are designed to add a pop of color to your look, as well as functional versatility. They feature a full cat eye frame composed of satin purple metal fronts and patterned magenta crystal plastic temples. Within, the state-of-the-art lenses provide different magnifications suitable for a variety of different tasks.Foster Grant Multi Focus™ Reading Glasses include three levels of magnification, all in one lens. The bottom of each lens features the highest magnification for reading, the middle has slightly reduced magnification for computer viewing, and the top has just a touch of magnification for interacting with others near you.