Poor eye health is exceedingly common; 90 of 142 million adults living in the United States (US) in 2010 suffered from some form of eye or visual impairment. These totals are expected to increase as the population ages (National Academies of Sciences, Engineering, and Medicine et al., 2016b; Prevent Blindness America, 2012). Ophthalmologic disorders are associated with reduced quality of life and productivity, increased mortality, and significant financial consequences (National Academies of Sciences, Engineering, and Medicine et al., 2016a).Most visual impairment is either preventable or reversible, suggesting that earlier diagnosis and treatment could substantially impact public health (National Academies of Sciences, Engineering, and Medicine et al., 2016a). Cost is frequently cited as a barrier to seeking care, particularly among low-income and minority individuals, who bear a disproportionately high burden of disease (