• Blue light filter for men/women: reduces eye strain. • Enjoy your digital time without worrying about eye strain, blurred vision, and headaches. • Blocks the most harmful blue light from computers, gaming, screens, phones, and televisions. • Sleep better: relieves eye strain and headaches, allowing for restful sleep. • Lightweight and durable glasses: made with ultra-lightweight and flexible polycarbonate materials. • HD polycarbonate lens: anti-reflective, non-prescription, no color difference. • Possibility to replace the lens with one of your choice.