Vivid’s Big and Tall 20 offers a stylish rectangular frame for Men paired with Blue Light Blocking lenses. These Oversized acetate plastic frames are lightweight and easily adjustable for a perfect fit. Blue Light Blocking Glasses, with Custom Lenses of your power choice, are perfect for people who work long hours on computers, tablets, games, phones, or TV. Blue Light Blocking Lenses block harmful rays so you may enjoy your digital time and not worry about eye fatigue, blurred vision, headaches, and trouble sleeping.