Product Code: 4164Description: ZYL Top 49Frame Colour: CrystalDioptres: +12.00DPrism / Lens: OU14 ^ B10U4164 Aspheric Prismatic Half-Eye SpectaclesPart No:4164 Technical SpecificationsDescription: ZYL Top 49 Frame Colour: Crystal Dioptres: +12.00D Prism / Lens: OU14 ^ B10U