1. [Blue Light Blocking Reading Glasses for Men] : anti blue light and UV400 lenses can filter most of harmful blue light and UV400. Great for office workers or anyone who has to look at screen all day. These glasses can block harmful blue light, reduce eye strain / tired, and protect your vision. 2. [Designer Mens Readers] : Our reading glasses are superbly crafted, with a sturdy metal frame that is durable and does not fade. We use high quality plastic temple and acrylic lenses. The classic rectangular half frame design is perfect for men. The metal frame reading glasses with spring hinge ensure a comfortable fit without pinching the face. The stylish design makes you look much younger. 3. [4 Pack Man Metal Frame Readers] : Great value 4 pack Metal Frame reading glasses with 4 different colors, suitable for any occasions. Leave one at home, at work, in your car's glove box, or in your purse, backpack, or carry all to have handy when and where you need them. 4. [Professional & Clear] : Professional and accurate degree configuration with clear lenses. Let you have a clear vision and a colorful world. Well blue light readers provide all day protection. No worry about eye fatigue and headache, let you have a better sleep.