Blue light blocking glasses

Polycarbonate frame Polycarbonate lens non-polarized Lens width: 52 millimeters BEST BLUE LIGHT BLOCKING GLASSES--Anti harmful blue ray, provide all-day protection, against the detrimental effect high energy visible blue light and UV411. DUSTPROOF PC LENS--uv blue light bloking glasses women/men are made of PC material, which is stronger and clearer, bring you good visual experience.