To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2. Successful detection of the Landolt ring. VA of left eye was studied (M1). The monkey was rewarded. Transplantation of human embryonic stem cell-derived retinal tissue in two primate models of retinal degeneration Hiroshi Shirai, Michiko Mandai, Keizo Matsushita, Atsushi Kuwahara, Shigenobu Yonemura, Tokushige Nakano, Juthaporn Assawachananont, Toru Kimura, Koichi Saito, Hiroko Terasaki, Mototsugu Eiraku, Yoshiki Sasai, and Masayo Takahashi PNAS. 2015. 113:E81-E90 DOI: 10.1073/pnas.1512590113 Download Original Video Browse All Videos »