Cyxus [Transparent Lens] Blue Light Filter Computer Glasses (Anti Eye Strain) Description Cyxus Blue Light Filter Glasses Anti Eyestrain and Headaches Cyxus Blue Light Filter Glasses can relieve eye strain Anti eye fatigue Relieve headache caused by excessive use of eyes ​ Suitable for those who often use computer and watch electronic screens Blocking Blue Light Capacity Test Use the blue light torch to beam the blue light testing card and Cyxus glasses as shown in the first picture We can see that one part of the testing area directly beamed by blue light has turned blue,and the other part shaded by Cyxus Glasses has not turn blue.Because Cyxus blue light filter glasses can block most of the harmful blue light All Our products are designed in USA，and sold around the world, such as America, Canada, Germany, France, UK, Italy,Spain,Japan,China etc. Cyxus makes efforts to create premium eye protection products for clearer vision and more comfort. The blue light can penetrate cornea and crystalline lens thus directly shoot the macular area, which can cause sore-eye, unsmooth-eye, eyestrain and even losing sleep. Cyxus blue light filter glasses can cut the blue UV rays, removing eyestrain, headache and even giving you a good sleep. Cyxus(Cyxus Technology Group Ltd) is the Professional eye protection glasses brand in USA. Cyxus not only produces eyeglasses, but also brings you GREATEST COMFORT OF VISION in the digital age. Features: DIMENSION - Lens width: 51mm, Lens height: 37mm, Bridge: 18mm, Frame total: 134mm.No degree, suitable for teenagers, students, drivers, gamers, middle-aged and elderly.ANTI BLUE LIGHT - Cyxus glasses can cut 90% of the blue light, relieving eye fatigue, dry and vision falling.BETTER SLEEP - Cyxus glasses can reduce eyestrain and headache, so you can enjoy a restful deeper sleep.LIFETIME WARRANTY - You can return the defective products for repairing or exchanging for free at any time (if not man-made damage).FDA REGISTERED COMPANY - "Cyxus" is a trademark owned by "Cyxus Technology Group Ltd", which is the unique manufacturer of "Cyxus". Product Details: Product Dimensions: 5.3 x 2 x 1.5 inches ; 2.4 ouncesShipping Weight: 2.4 ouncesDomestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.UPC: 717643584735 735317988269 718460046703 Payment We accept Paypal payments only. Sales tax may be applied to your purchase as we possess sales tax certificates for all states we collect sales tax in. If your state is one that we charge sales tax in, you will see the sales tax charge at time of checkout before you submit payment. Delivery Expedited shipping is free. Handling time on our orders is normally between 1-2 business days. Your order should reach you within 1-3 business days. We do not ship to AK, HI, PO boxes, or APO addresses. We're not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. We don't accept requests to change shipping addresses post purchase. We do not ship to AK, HI, PO boxes, or APO addresses. We are not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. Please note that manufactures update their packaging from time to time and that the packaging images shown in our product may vary from what you ultimately receive however be assured you are receiving the identical contents you ordered. Return Policy You may return new, unopened items within 30 days of delivery for a refund, and a restocking fee may apply. Return shipping fees are not refundable. Message us for return instructions if you have questions. Support & Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction. Contact us via eCRATER messaging and we will respond within 1 business day. Our office hours are 8AM-4PM PST Monday-Friday. We thank you for your business!