Introducing our top-quality Factory Price 1.56 Blue Cut UV420 Spin Photochromic Progressive Finished Lenses! Made with premium CR39 lens material, these ophthalmic lenses provide unparalleled visual clarity and protection. The blue-cut feature filters harmful blue light, reducing eye strain and promoting eye health. The UV420 coating shields your eyes from harmful UV rays. These lenses also feature progressive technology, ensuring seamless vision transitions for bifocal users. As a factory, we guarantee the best price without compromising on quality. Experience optimal vision and eye comfort with our state-of-the-art lenses!