Blue Light Blocking Glasses

√ Blue ray blocking -- Glasses lens are designed using the American HEV-Adsorb substrate absorption technology.It can absorb high-energy blue light. √ Clear lens -- The lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance. Less reflective,no affect reading, and almost no color difference. √ UV protection -- Anti-Blu-ray Lenses utilize special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV400. Never worn. Original case included. Offers always welcome.