0~ -4.0 Photochromic Myopia Glasses Ultra Light Metal Frame Glasses Anti Blue Light Myopia Glasses Clear Glasses Large Frame

High-concerned chemical : None Element type : Basic Classic Style type : Oval Place Of Origin : China (mainland) Lens Width : 5.2cm Lens Height : 4.6cm Frame Material : Alloy Model Number : F20804 Gender : Unisex Lenses Material : Acrylic DOD Origin : Mainland China Certification : CE,None DOD Lens degree : Anti blue lens Lens material : PC Lens function 1 : Anti blue light Frame material : Metal frame style : Unisex,Whole frame Lens function 2 : UV400 Lens function 3 : Photochromic Color changing sensitive glasses Inside: transparent lens, anti blue light, eye protection Outdoor: light sensitive discoloration, UV resistance, sun protection