Submitted for Publication: March 29; final revision received July 12, 2012; accepted July 25, 2012.
Published Online: October 8, 2012. doi:10.1001/2013.jamaophthalmol.221
Author Contributions: Dr McMahon had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Conflict of Interest Disclosures: Drs Dorn, Caspi, and Greenberg are employed by Second Sight Medical Products Inc, and Drs Ahuja and McMahon were employees while this study was being conducted. Dr McMahon holds stock in the company.
Funding/Support: This study was funded by grant EY012893 from the National Institutes of Health (National Eye Institute's Research/Development of Artificial Retinas for the Blind) to Dr Greenberg (principal investigator).
Additional Contributions: The sponsor of this study, Second Sight Medical Products Inc, participated in the design and conduct of the study; in the collection, analysis, and interpretation of the data; and in the preparation, review, and approval of the manuscript. Data were collected at each clinical trial site under the supervision of independent site investigators, whose financial interests were limited to compensation for study costs provided to their institutions.