As the number of older adults increases worldwide, the importance of understanding the global picture of older persons has been magnified. This perspective not only includes identifying the diseases and health conditions affecting older ages but also examining the effect of these conditions on everyday life. Over the past 2 decades, geriatric research has recognized that the consequences of aging and age-related diseases are best understood by evaluating disability and functional status of the patient.
Swenor BK. A Gerontological Perspective on Visual Impairment and Mobility. JAMA Ophthalmol. 2016;134(10):1093-1094. doi:10.1001/jamaophthalmol.2016.2652