Size and fit - Lens width: 2.04 inches - Lens height: 1.22 inches - Bridge: 0.7 inches - Arm length: 5.66 inches Frame and lens features - Ultralightweight and flexible TR90 frames for durability and comfortable long-term wear - Crystal lenses with zero chromatic aberration for sharp, clear vision - Shock resistant, nonfragile, and waterproof - Casual square frame design that looks professional and stylish while working Blue light protection and lens technology - Blue light filter lenses using blue light absorbed technology with a radiation protection membrane, an anti-reflective membrane, and a nano waterproof membrane - Absorbs harmful blue light in the 380 nm to 450 nm range and releases beneficial blue light - Reduces reflections to help prevent eye strain and eye pain UV protection and glare reduction - 99% UV blocking while maintaining high light transmittance - Filters glare for better work, study, and entertainment experiences - Helps relieve eye fatigue and headaches, and supports retinal health Eye health benefits - Suitable for both women and men - Antifatigue blue light glasses for use with computers, laptops, or smartphones - Helps protect eyes from computer visual syndrome, including symptoms such as eyes losing focus, blurred vision, fatigue, ophthalmic changes, and bulging