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: 54mm Bridge: 20mm Temple: 145mm  Available in 1 Colors: Light Tortoise TAL | R-9030-C5-PAL Light Tortoise | Progressive Blue Light Blocking