At the Pennsylvania cataract surgery offices of Dr. James S. Lewis, patients are assured to receive the highest quality treatments and impeccable care. Dr. Lewis and his talented team use the latest surgical technologies and techniques to deliver the best possible results. For instance, they offer a wide range of premium IOLs, including nanoFLEX®, Tecnis Multifocal, TRULIGN™ Toric and Symfony in Philadelphia.