Submitted for Publication: February 19, 2015; final revision received May 4, 2015; accepted May 5, 2015.
Published Online: June 18, 2015. doi:10.1001/jamaophthalmol.2015.1856.
Study concept and design: Chen, Caprioli.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Chen, Caprioli.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Chen, Yu, Caprioli.
Obtained funding: Caprioli.
Administrative, technical, or material support: Chen, Law, Giaconi, Coleman, Caprioli.
Study supervision: Law, Caprioli.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Giaconi reported receiving personal fees from Allergan. No other disclosures were reported.
Funding/Support: This work was supported by an unrestricted grant from Research to Prevent Blindness and by the Simms/Mann Family Foundation, the Jules Stein Medical Student Research Program, and the Chelsey and Jack Mills Research Fund.
Role of the Funder/Sponsor: The funders 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.
Additional Contributions: Niloufar Abdollahi, Stein Eye Institute, David Geffen School of Medicine, University of California, Los Angeles, assisted in collecting the data and editing the manuscript; she did not receive compensation from the funding sponsors for these contributions.