Introducing our top-of-the-line product, the 1.56 SF semi-finished Flat top Bifocal Optical Lens. Professionally crafted in our factory, this lens is made to provide optimal vision clarity for both near and far distances. With its flat top design, it allows for wider visual fields and smoother transitions. Made from high-quality materials, this lens is scratch-resistant and durable, ensuring long-lasting use. Our factory takes pride in producing top-notch lenses that exceed expectations. Experience superior vision with our 1.56 SF semi-finished Flat top Bifocal Optical Lens.