Submitted for Publication: February 5, 2014; final revision received April 23, 2014; accepted April 24, 2014.
Published Online: July 31, 2014. doi:10.1001/jamaophthalmol.2014.2343.
Study concept and design: Hull, Arno, Moore.
Acquisition, analysis, or interpretation of data: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Obtained funding: Moore.
Administrative, technical, or material support: All authors.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest, and none were reported.
Funding/Support: This study was supported by the National Institute for Health Research (United Kingdom), Biomedical Research Centre at Moorfields Eye Hospital, University College London Institute of Ophthalmology, Foundation Fighting Blindness (United States), Fight for Sight, Moorfields Eye Hospital Special Trustees, and Rosetrees Trust.
Role of the Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: This study was presented as a poster at the Annual Meeting of the Association for Research in Vision and Ophthalmology; May 6, 2013; Seattle, Washington.