Introducing our top-of-the-line product, the {SETO 1.56 Semi-Finished Flat Top Bifocal Lens}! Crafted with utmost precision in our state-of-the-art factory, this lens is designed to meet the highest industry standards. Offering exceptional quality and comfort, our semi-finished flat top bifocal lens provides clear vision at both near and far distances. With a refractive index of 1.56, it ensures excellent optical performance and minimal distortion. Say goodbye to the hassle of constantly switching glasses and experience the convenience of this superior lens. Trust our factory's expertise and bring remarkable visual clarity to your customers with our {SETO 1.56 Semi-Finished Flat Top Bifocal Lens}!