Blue-light blocking glasses have filters in their lenses that block or absorb blue light, and in some cases UV light, from getting through. That means if you use these glasses when looking at a screen, especially after dark, they can help reduce exposure to blue light waves that can keep you awake.
Product Description A great way to bring a stylish edge to your everyday look, these square eyeglasses are perfect for everyday use. Available in a range of colors, this frame...