Submitted for Publication: January 9, 2010; final revision received December 22, 2010; accepted December 23, 2010.
Author Contributions: Dr J. A. Shields had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Financial Disclosure: None reported.
Funding/Support: This study was supported by a donation from the Eye Tumor Research Foundation (Drs J. A. and C. L. Shields), by Mellon Charitable Giving from the Martha W. Rogers Charitable Trust (Dr C. L. Shields), by the Paul Kayser International Award of Merit in Retina Research (Dr J. A. Shields), by the LuEsther Mertz Retina Research Foundation (Dr C. L. Shields), and by a donation from the Michael, Bruce, and Ellen Ratnor Foundation (Drs C. L. and J. A. Shields).
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, and approval of the manuscript.
Previous Presentation: This study was presented as part of the 2010 Jonathan W. Wirtschafter Lecture; February 13, 2010; University of Minnesota, Minneapolis.