Amazon.com: FONHCOO Blue Light Blocking Glasses Fashion 。TR90 frame Acrylic lens Lens width: 52 millimeters Lens height: 43 millimeters Bridge: 17 millimeters Arm: 145 millimeters Blue Light Filter Glasses: Blue light blocker with UV400 protection, help you resist most harmful blu-ray, reduce discomfort from TV, phone, tablet gaming, digital screen and reading under fluorescent lights; Reduce glare, fatigue, headache, eye strain and dry eye, protect your vision and help sleep better Tr90 Fashion Eyeglasse Frame - Ultra-lightweight and flexible TR90 nylon frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games. HD Lens: Anti reflective, non-prescription clear tint lens; No color difference, restore the true color; Besides, you can remove the lens at any time and replace it with the prescription lens you want Acetate design:The glasses frame is acetate design, and the metal pin is built into the temple. The glasses are light and fashionable. With the metal spring hinger, the glasses can be adapted to various head shapes and make you comfortable to wear.