*OD, FAAO
†OD, MS, FAAO
‡MAS, FAAO
§MS, OD, FAAO
∥OD, FAAO
¶OD, MPH, FAAO
**OD
Pennsylvania College of Optometry at Salus University, Philadelphia, Pennsylvania (MS, MG), Southern California College of Optometry, Fullerton, California (SC), The Ohio State University College of Optometry, Columbus, Ohio (MTK, GLM), State University of New York, College of Optometry, New York, New York (JC, IC), University of Alabama at Birmingham College of Optometry, Birmingham, Alabama (KBH), and NOVA University College of Optometry, Ft. Lauderdale, Florida (MB).
A listing of the writing committee and investigators who participated in the study appears in the Acknowledgments.
This study was supported by the National Eye Institute of the National Institutes of Health, Department of Health and Human Services.
Received March 28, 2011; accepted June 27, 2011.
Mitchell Scheiman Pennsylvania College of Optometry at Salus University; 1200 West Godfrey Avenue; Philadelphia, Pennsylvania 19141; e-mail: [email protected]