Blue Light Blocking, Half-rim Titanium Bridge Computer Reading Glasses Product Features Imported Titanium and Metal frame plastic lens non-polarized Lens width: 50 millimeters PROTECT YOUR EYES - Anti glare lens coating prevents insomnia and macular degeneration. Low blue light glasses provide computer eye strain relief & alleviate dry eyes when using your T.V., smartphone, tablet or PC gamer equipment. BLOCKING OVER 30% BLUE LIGHT - Blue light blocking technology naturally blocks out the recommended 30% of blue light rays: do not settle. Protect your eyes with the best blue light blocking glasses money can buy. HIGH TECHNOLOGY - Anti-scratch, anti-reflective, anti-screen flicker, anti-glare, anti-fog coated; Electromagnetic ray, UVA & UVB blocking & fingerprint resistant. FDA REGISTERED - Fully registered with the Food and Drug administration to import Class I medical devices. 100% RISK FREE PURCHASE - In case any broken problem happens, contact us without hesitation to solve the problem until satisfaction. We provide lifetime after sale service. Customers can return and get refunded for any reason. You have no risk to try. Product Description FEATURES Frame Material: Titanium and Metal Lens width: 1 15/16"(50mm) Frame width: 5 5/16"(135mm) Lens height: 1 1/8"(29mm) Frame height: 1 3/16"(30mm) Bridge (DBL): 3/4"(19mm) Temple length: 5 1/2"(140mm) Spring hinge: Yes Lenses: Aspheric Head size: Medium CARE To avoid damage, never clean your eyeglasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Our stock all ships from our US-based warehouses.Shipped via UPS or USPS(depending on location and package weight) Unless stated otherwise, all orders will ship within 24 hours of your payment being processed.Check our feedback to see the great reviews of FAST shipping we offer.Shipping is always FREE If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. If you have any queries, please contact us via eCRATER. We usually respond within 24 hours on weekdays. Thank you for visiting our eCRATER store!