- Size: Lens width 2.04 in; Lens height 1.22 in; Bridge 0.7 in; Arm 5.66 in. - TR90 frames and crystal lenses: Ultra-lightweight and flexible TR90 frame for durability and comfortable long-term wear. ZERO chromatic aberration crystal lens for a good visual experience. Shock-resistant, non-fragile, and waterproof. Casual square frame design keeps you looking professional and stylish while working. - Blue light absorption: Lenses crafted with blue light absorbed technology and radiation protection membrane, plus anti-reflective and nano waterproof membranes. These blue light glasses absorb harmful blue light between 380 nm and 450 nm and release beneficial blue light. Square blue light glasses help prevent light reflection and eye pain. - UV protection: 99% UV blocking while maintaining high light transmittance. Filters out glare for improved work, study, and entertainment. Computer glasses can relieve eye fatigue, headaches, protect retinal cells, and reduce the risk of macular degeneration. - Eye health: Anti-glare, unisex design suitable for both women and men. Anti-fatigue blue light blocking glasses are useful for computers, laptops, or smartphones, and can protect against computer visual syndrome (eyes losing focus, vision becoming unclear, fatigue, ophthalmic acid, bulging, et). - Use scenarios: Ideal for office computer work, remote study or reading on tablets, and extended screen time for gaming or streaming.