Skip to main content
. 2019 Aug 16;75(3):596–602. doi: 10.1093/gerona/glz182

Figure 1.

Figure 1.

Frailty Status by Vision Measures: National Health and Nutrition Examination Survey (NHANES) and Women’s Health and Aging Study (WHAS) III. aNo VI (visual impairment) defined as presenting visual acuity ≥20/40 in better-seeing eye. VI defined as presenting visual acuity <20/40 in better seeing-eye. bNo VI defined as binocular presenting visual acuity ≥20/40. Mild VI defined as binocular presenting visual acuity <20/40, but ≥20/60. Moderate/severe VI defined as binocular presenting visual acuity <20/60.