Subretinal Microelectrode Arrays Allow Blind Retinitis Pigmentosa Patients to Recognize Letters and Combine them to Words. - Eberhart Zrenner; Robert Wilke; Karl Ulrich Bartz-Schmidt; Florian Gekeler; Dorothea Besch; Heval Benav; Anna Bruckmann; Katharina Porubska; Akos Kusnyerik; Helmut Sachs; Tobias Peters; Barbara Wilhelm; et al. (BMEI, 2009)