Published Online: August 21, 2014. doi:10.1001/jamaophthalmol.2014.2786.
Study concept and design: Lad, Proia.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Lad, Proia.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, or material support: Lad, Proia.
Study supervision: Proia.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.