Wearing Progressive multifocal readers with clear Blue Light Blocking Lense with no lines allows you to effortlessly see near and far without switching your eyewear Premium Polycarbonate: technology that provides a sturdier frame Progressive Multifocal & Blue Light Blocking  Sizing:  Lens width: 48mm Bridge: 26mm Temple: 150mm  Available in 2 Colors: Transparent Green Bone Tortoise  ARTI | R-9023-C9-PAL Transparent Cherry Red | Progressive Blue Light