Blue Light Barrier Eyewear HD aspheric lenses are made with a bluelight blocking polymer that filters out harmful UV and blue light from digital screens, artificial light, and sunlight. Relieve Eye Fatigue & Filter UV Rays energy blue light and UV rays can cause tired, dry, blurry, or irritated eyes. These blue light blocking eyeglasses provide allday protection for both indoor and outdoor digital use. The lenses also support better sleep by reducing headaches associated with blue light exposure. Fashion Design Classic rectangular frames fit a wide range of face shapes while delivering effective eye protection. Constructed from quality materials with durable hinges, the frames are stylish for both men and women and comfortable for extended wear. Comfortable to Wear Lightweight frames reduce pressure on the nose bridge for a comfortable wearing experience. Suitable for daily wear, office work, reading, computer gaming, and more. The clear lenses are lighter than resin and glass, providing a clear, natural visual experience. Use scenarios Office work or study sessions at a computer for extended periods, reducing eye strain. Gaming or long video calls to minimize eye fatigue and improve comfort. Outdoor activities and bright indoor lighting to filter UV and blue light while maintaining clear vision.