Erratum to: Worldwide Argus II implantation: recommendations to optimize patient outcomes.

Unfortunately, the original version of this article [1] contained an error. The second affiliation of Dr. J Fernando was not included. The correct version which is both affiliations is included here. Retina Division, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA, and the Vitreoretinal Division, King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia.