1. From the College of Optometry, University of Houston, Houston, Texas.2Present affiliations: Department of Ophthalmology, Kawasaki Medical School, Kurashiki, Japan; and the
2. From the College of Optometry, University of Houston, Houston, Texas.
3. From the College of Optometry, University of Houston, Houston, Texas.3Department of Ophthalmology, Fukushima Medical University, Fukushima, Japan.