WOBURN, Ma. & TOKYO--(BUSINESS WIRE)--VisEn Medical, Inc., a leader in fluorescence in vivo imaging from research through medicine, today announced that it has signed an exclusive distribution agreement with Olympus Corporation covering sales of the company’s Fluorescence Molecular Tomography (FMT™) imaging systems and portfolio of in vivo near infrared fluorescence imaging probes in Asia (South Korea, Singapore, China and Taiwan).