authors Smith, Jason R Huang, Alison R Zhou, Yunshu Varadaraj, Varshini Swenor, Bonnielin K Heather Whitson, MD Reed, Nicholas S Deal, Jennifer A Joshua Ehrlich, MD, MPH
has subject area Aged Aged, 80 and over Contrast Sensitivity Cross-Sectional Studies Dementia Female Humans Independent Living Male Prevalence Risk Factors United States Vision Disorders Visual Acuity Visually Impaired Persons