ONOS Polarized Bifocal Sunglasses. Finally, active farsighted people can enjoy outdoor activities without the hassle of switching from readers to sunglasses. With ONOS polarized sunglasses with readers built in, you can enjoy a new dimension of comfort, convenience, and style without the prescription price of bifocals. By combining the polarized lens with their unique reader magnification enhancement, Ono's has created a product that eliminates the need for bifocals or to switch glasses to read or perform other close-up tasks when outdoors. Once you wear ONOS for a whole weekend, you'll wonder how you ever lived without them. Plano versions available in most styles.