| Recruiting | N/A | 330 | US | Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Timed Up and Go, Timed Up and Go - Dual Task (TUG, TUG-DT), Actigraphy | University of Rhode Island, Stuart Sinoff, MD, Peter J Snyder, MD, BayCare Health System | Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change | 12/21 | 06/25 | | |