IRVINE, Calif.--(BUSINESS WIRE)--Visiogen, Inc. of Irvine, California, was successfully received by attendees at the XXIV Congress of the European Society of Cataract and Refractive Surgeons (ESCRS), held in London from September 9 to 13. Four independent investigators presented their clinical results on Visiogen at the meeting, all with positive outcomes for the company’s dual optic intraocular lens (IOL), Synchrony®.