Departments of Ophthalmology (SV, AC, KD, BK, MS, SK, NM, JW), Rheumatology (JB), Neurology (AC, KD, BK, MS, JW), and Radiology and Imaging Sciences (EQ), University of Utah Hospital, Salt Lake City, Utah.

Address correspondence to Judith Warner, MD, 65 Mario Capecchi Dr, Salt Lake City, UT 84132; E-mail: [email protected]

Supported in part by a grant to the Department of Ophthalmology and Visual Sciences from Research to Prevent Blindness, Inc., New York, NY.

The authors report no conflicts of interest.