Joseph Carroll, Phd, is Assistant Professor of Ophthalmology, of Biophysics, and of Cell Biology, Neurobiology, & Anatomy at the Medical College of Wisconsin's Eye Institute. Dr. Carroll oversees the Comprehensive Color Vision Testing service at the Eye Institute. He is also the organizer of the Vision Science Distinguished Lecture Series. In addition, Dr. Carroll assists in directing the Advanced Ocular Imaging Program at the Eye Institute. His current research interests are human color vision, in vivo retinal imaging techniques, and organization of the human cone photoreceptor mosaic.