The 2nd Ad Hoc IRCMS Seminar titled "Neuro-Vascular Interaction～Cutting Edge in Retinal Biology～" was held from 4p.m. on Monday October 27 at the Institute of Molecular Embryology and Genetics (IMEG), Kumamoto University. IRCMS invited three extramural researchers in the field of vascular biology and molecular biology. We would like to appreciate all attendees in this seminar.