Cochlear Limited 1 article published in JoVE Medicine Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks David A.X. Nayagam1,2, Irfan Durmo3, Ceara McGowan1, Richard A. Williams2,4, Robert K. Shepherd1,5, Bionic Vision Australia Consortia, 1Bionics Institute, 2Department of Pathology, The University of Melbourne, 3Cochlear Limited, 4 Here we describe histological techniques for visualising ocular tissue directly adjacent to a metal epiretinal tack and retinal prosthesis.