Amazon.com: Gleyemor Blue Light Glasses for Men Women 。Classic tortoiseshell round-frame glasses with blue light filtering lenses. Lightweight frame in rich tortoiseshell brown. Designed for daily screen use. Includes subtle metal detailing for a refined look. The Attaché radiates sophistication for the digital user. Features nylon frame and spring hinge to enhance the viewing experience. - Lightweight construction and proper weight balance guarantee long wearing comfort - Nylon frame material and flexible hinges - Proprietary patented GUNNAR lens material and tint - Blocks harmful blue light and 100% UV light SPECS: lens width: 50 mm | lens height: 41 mm | nose: 19 mm | frame width: 134 mm | temple: 140 mm | weight: 23 grams (without packaging)