Size:Square2  |  Color:Black Brown Why do you choose AVOptical Anti Blue Light Glasses? 1) Manufactured in a world class factory with top notch optical instrumentation and facilities keeping our product under strict quality control. 2) Long-term cooperation with research institutes allowed us to gain significant experience in chronobiology, circadian systems and lighting science. We are excited to be part of the growing community around healthy lighting and want to ensure we share our findings through our products. 3) Handmade with cellulose acetate; non-petroleum based and environment-friendly. Lightweight frame provides extra comfort and durability. 4) We provide 100% satisfactory service for all AVOptical glasses. You can return and get a refund if you are not satisfied. Customer satisfaction is our top priority. Specification: FDA APPROVEDFrame Material: Hand Made Acetate Lens Material: Composite lens, non-polarized Lens Style: Square/Round/Cat Eye Lens Color: Slightly Yellow Tint Functions: high transmittance anti-blue UV400 protection Eliminate 100% of UV radiation Can cut 99% of the harmful blue light. Relieving eye fatigue, dry and vision falling, Reduce headache Package Included: 1 * AVOptical Blue Light Blocking Glasses 1 * Soft Clean Cloth 1 * Testing Card & Blue Light Torch 1 * Exquisite Package Box
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