Onos Trading Company 2.50 Mag Power Sun-Mag Plus Polarized Reader Sunglasses (Black, Grey) Sun-Mag Plus polarized sunglasses with readers built in, you can enjoy a new dimension of comfort, convenience, and style without the prescription price. By combining the polarized lens with our unique reader magnification enhancement, We have created a product that eliminates the need to switch glasses to read or perform other close-up tasks when outdoors.