[1] Univ Utah, John A Moran Eye Ctr, Dept Ophthalmol & Visual Sci, Salt Lake City, UT 84132 USA
[2] Univ Utah, John A Moran Eye Ctr, Dept Neurol, Salt Lake City, UT 84132 USA
[3] Univ Oklahoma, Dean McGee Eye Inst, Dept Ophthalmol, Oklahoma City, OK USA
[4] Univ Cincinnati, Dept Ophthalmol, Cincinnati, OH USA
[5] Cincinnati Eye Inst, Cincinnati, OH USA
[6] Univ Sydney, Save Sight Inst, Sydney, NSW, Australia
[7] Michigan State Univ, Int Neurol & Psychiat Epidemiol Program, E Lansing, MI 48824 USA
[8] Michigan State Univ, Dept Pediat Neurol, E Lansing, MI 48824 USA