Blue Light Protected Unisex Glasses Blue Block Optical Compatible Lenses Can Be Changed

BACKSIDE:50 MM BRIDGE 19 MM FRAME LENGTH 142 MM HANDLE LENGTH 150 MM HINGED HANDLE IT IS OPTICALLY COMPATIBLE AND THE LENSES CAN BE RECHANGED SHIPPED WITH A CASE AND CLEANING CLOTH IT IS RESISTANT AGAINST IMPACT MADE FROM HIGH QUALITY MATERIAL THEY ARE BLUE LIGHT PROTECTED SCREEN GLASSES NOT A MEDICAL DEVICE