SETO 1.60 Semi-Finished Blue Block Single Vision Lens is a high-quality, durable and long-lasting product that is designed for people who are looking for an affordable and reliable choice to enhance their vision. Our factory produces these lenses using advanced technology and premium materials to provide a comfortable and clear vision. The blue block feature of this lens makes it perfect for people who spend a lot of time in front of screens or under artificial lighting. These lenses also protect the eyes from harmful UV rays and enhance the contrast of vision, making them an ideal choice for those who want to improve their overall visual experience. With our commitment to quality and affordability, you can trust that our SETO 1.60 Semi-Finished Blue Block Single Vision Lens will exceed your expectations.