Published Online: November 6, 2014. doi:10.1001/jamaophthalmol.2014.4507.
Study concept and design: Marsiglia, Tsang, Sparrow.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Marsiglia, Mahajan, Zernant, Sparrow.
Critical revision of the manuscript for important intellectual content: Marsiglia, Lee, Delori, Tsang, Sparrow.
Statistical analysis: Delori, Sparrow.
Obtained funding: Sparrow.
Administrative, technical, or material support: Marsiglia, Lee, Mahajan, Zernant, Sparrow.
Study supervision: Tsang, Sparrow.
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 work was supported by grants EY024091, EY019861, and P30EY019007 from the National Eye Institute and a grant from Research to Prevent Blindness to the Department of Ophthalmology, Columbia University.
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.