We are proud to introduce our SETO 1.67 Semi-Finished Blue Block Single Vision Lens. Our factory has carefully crafted this product using high-quality materials and state-of-the-art technology to deliver an exceptional single vision lens that provides clear and comfortable vision. With its blue block feature, it effectively blocks harmful blue light emitted by digital screens, reducing eye strain and fatigue. The semi-finished design allows for easy fitting and customization to various frame styles. Trust us to provide durable and reliable products that meet your vision needs. Choose SETO 1.67 Semi-Finished Blue Block Single Vision Lens.