Does retinal vascular geometry vary with cardiac cycle? - Hao, Hao; Sasongko, Muhammad; Tien, Y. Wong; Che Azemin, Mohd Zulfaezal; Aliahmad, Behzad; Hodgson, Lauren; Kawasaki, Ryo; Carol, Y. Cheung; Jie, Jin Wang; Kumar, Dinesh Kant (The Association for Research in Vision and Ophthalmology, Inc., 2012)