[ANTI-BLUE LIGHT & ANTI-RADIATION COATED LENSES]--JIM HALO square blue screen blocking eyeglasses are designed for comfortable daily wear with durable lightweight frames and anti-blue light coatings which filter 90% blue rays and reduce eyestrain, prevent eye dry. [UV400 PROTECTION]--Blocks 100% harmful UVA/UVB Rays, perfect for office and home, keep a pair at your desk. Ultra-lightweight and flexible frame material for durability and comfortable long-term wearing. [LIGHTWEIGHT&HIGH QUALITY ]--Tough and lightweight PC frame is comfortable against the skin, fits both men and women. Lightweight durable comfortable frame with adjustable nose pads, no pressure for longtime wearing. [STYLISH RETRO SQUARE FRAME DESIGN ]--The square frames can be matched with all kinds of facial forms. The multiple patterns and colors can be matched with different outfits in a daily fashion. [RISK-FREE PURCHASE ]--30 Day Money Back Guarantee: All Jim Halo customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason.Color: Clear Manufacturer: Jim Optical Model Number: ZTPT0754 C2 Part Number: ZTPT0754 C2 Size: One SizeJIM HALO Computer Game Glasses Vintage Large Square Style blue light blocking Eyeglasses Anti Blue Light Lens for Digital Screens MATERIAL: Frame: Composite Lenses: Anti-blue light lens FEATURES: What a blue light blocking glasses can do: Anti eye fatigue: Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day. Minimize headache: Blue light blocking glasses will supercharge your health by blocking detrimental blue light while letting in all other beneficial light. Sleep better: Exposure to high rate blue light will impact our sense of circadian rhythms cause insomnia. Wearing blue light filter glasses will improve your sleep, help you sleep better and have good night. Anti blue lenses: Protect your eyes. Blocks 90% of high energy blue light. Relieve eye fatigue caused by longtime use of electronic device. TIPS FOR CLEANING: Use a gentle lens solution. To avoid scratches. Never wipe the lens when they're dry (there may be dust or particles). Use Soft materials such as cleaning cloths, Don't use paper towels or other rough materials.