Optical lenses are fundamental components in countless modern technologies, from eyeglasses and smartphone cameras to medical devices, telescopes, and industrial imaging systems. The optical lens production process demands exceptional precision, with some manufacturing stages achieving accuracy up to 0.01 dioptres. This article provides a comprehensive examination of lens manufacturing steps, covering material selection, molding, grinding, polishing, coating, centering, and assembly. It also explores specialized anti-blue lens production, mass lens production capabilities, and OEM lens manufacture services that enable brands to bring custom optical solutions to market.