Submitted for Publication: November 3, 2013; final revision received March 15, 2014; accepted March 22, 2014.
Published Online: June 26, 2014. doi:10.1001/jamaophthalmol.2014.1720.
Study concept and design: Nika, Edwards, Lee, Stein.
Acquisition, analysis, or interpretation of data: Blachley, Edwards, Stein.
Drafting of the manuscript: Nika, Blachley, Stein.
Critical revision of the manuscript for important intellectual content: Blachley, Edwards, Lee.
Statistical analysis: Nika, Blachley.
Obtained funding: Lee.
Administrative, technical, or material support: Nika, Stein.
Study supervision: Edwards.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by K23 Mentored Clinician Scientist Award 1K23EY019511 from the National Eye Institute (Dr Stein), by the Blue Cross Blue Shield of Michigan Foundation (Dr Stein), and by a Physician Scientist Award from Research to Prevent Blindness (Dr Stein).
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 in part at the Association for Research in Vision and Ophthalmology Annual Meeting; May 8, 2013; Seattle, Washington.