Friend of Webvision Yves Sauvé sent in this paper by Silmara de Lima, Yoshiki Koriyama, Takuji Kurimoto, Julia Teixeira Oliveira, Yuqin Yin, Yiqing Li, Hui-Ya Gilbert, Michela Fagiolini, Ana Maria Blanco Martinez, and Larry Benowitz that documents regeneration of the optic nerve in the adult mouse, a potentially substantial breakthrough in therapeutic recovery of vision lost through disease or trauma.