Submitted for Publication: August 2, 2013; final revision received September 5, 2013; accepted January 31, 2014.
Published Online: May 29, 2014. doi:10.1001/jamaophthalmol.2014.1051.
Study concept and design: All authors.
Acquisition, analysis, or interpretation of data: Chasan, Delaune, Lynch.
Drafting of the manuscript: Chasan, Lynch.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Chasan, Delaune.
Administrative, technical, or material support: Chasan, Lynch.
Study supervision: Maa, Lynch.
Conflict of Interest Disclosures: None reported.
Disclaimer: The views expressed here are those of the authors and do not necessarily reflect the position or policy of the US Department of Veterans Affairs or the US government.
Additional Contributions: Paul B. Greenberg, MD, Department of Surgery (Ophthalmology), Alpert Medical School of Brown University, and Providence Veterans Affairs Medical Center, Providence, Rhode Island, provided editorial assistance.