1. Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, Maryland
2. Department of Ophthalmology, Navy Refractive Surgery Center, Navy Medical Center San Diego, San Diego, California
3. The Emmes Corporation, Rockville, Maryland
4. Department of Medicine, University of California, Los Angeles
5. National Eye Institute, Bethesda, Maryland6Viewpoint Editor, JAMA Ophthalmology