Cyxus Anti Blue Light Filter [Sleep Better] UV Block Radiation Eyestrain Reading Safety Glasses Square Computer Eyewear Vintage Classic Frame/Yellow 49mm Lens, Unisex(Men/Women) (Black)ANTI BLUE LIGHT--Anti harmful blue ray, provide all-day protection, against the detrimental effect high energy visible blue light and UV400.REDUCE EYESTRAIN--Enjoy your digital time, NO worry about eye fatigue, blurred vision and headache.SLEEP BETTER--Better sleep for you, blue blocker for your eyes and guardian for your health.LIFETIME WARRANTY--We provide worry-free lifetime warranty(no man-made)and friendly customer service.GROBAL BRAND--Cyxus is an FDA REGISTERED COMPANY, people from across the world all choose Cyxus Protect Your Eyes Digital screens release a form of invisible blue light.Blue Light is desirable to device manufacturers because of its efficiency and power. Cyxus can effectively block harmful blue light, which can lead to digital eye fatigue and eye strain. Great for alleviating visual fatigue and discomfort from long periods of fixing on the web surfing, gaming and working under fluorescent lights. UV Protection You can get a painful burn on the front of your eye from the reflections of UV rays and sunlight. UV exposure will accelerate the aging of the eye, resulting in your old age when cataract. Our glasses can help protect your eyes from UV rays damage. Improving Sleeping People who use their devices before bed have a harder time falling asleep and staying asleep. Cyxus glasses work by blocking the blue light rays you are exposed to from your devices, you can still enjoy your device from the comfort of your bed and get a restful deeper sleep. The Lenses are characterized by high transparency, resistance to scratch, anti-collision, ultra-thinness and lightness as well as anti-glare. Cyxus glasses not only can block blue light/UV, eyes protection, you can also play a very good decorative effect, so you extraordinary temperament, quiet demeanor. These glasses allow the wearer to enjoy a classic, celebrated style while adding their own individuality. All of our products have been authenticated by the authoritative institutes. Eye doctors recommend wearing these blue light blocking glasses to protect your eyes. Product Warranty All of our products have 1 year warranty. Customer can send back the defective products for repair or exchange for free (if not man-made damage) during the period. TOP BRANDS Payment Shipping Returns Contact Paypal PayPal is our preferred method of payments its the quickest, easiest and most secure way to pay for your goods or services online. PayPal offers buyer and seller protection should there be a problem. If you do not have a PayPal account, to get started and buy your first item with us is very easy. Simply click on the Buy It Now button and follow the eCRATER checkout steps. Select PayPal as the payment method you then will be given the chance to enter your card details in to PayPals secure checkout in order to pay for your order. Once the payment has been made, you will then be given the opportunity to make your own PayPal account to make paying for your items in the future very easy. Should there be a problem with payment please do let us know.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!