biostudies-literatureCai YNIA NIH HHSNational Institutes of HealthNIH HHS2194-2203https://www.ebi.ac.uk/biostudies/studies/S-EPMC8599058biostudies-literatureUnknown76(12)<h4>Background</h4>Vision loss is associated with increased risk of falls and restricted physical activity, yet the relationship between multiple vision measures and objectively measured physical activity, especially activity patterns, in mid-to-late life is not well understood.<h4>Method</h4>This study included 603 participants aged 50 years and older (mean age = 73.5) in the Baltimore Longitudinal Study of Aging who had the following assessments: presenting and best-corrected visual acuity, contrast sensitivity, visual fields, stereo acuity, and free-living physical activity using a wrist-worn ActiGraph accelerometer for 7 days. Linear regression models were used to examine the association between vision measures and daily activity counts, active minutes, and activity fragmentation (defiThe journals of gerontology. Series A, Biological sciences and medical sciencesVisual Impairment and Objectively Measured Physical Activity in Middle-Aged and Older Adults.PMC8599058U01AG057545P30 AG021334P30AG059298K01 AG052640K01AG052640R01 AG061786U01 AG057545R01AG061786P30AG021334P30 AG059298Simonsick EME JYAgrawal YFerrucci LWanigatunga AAUrbanek JKCai YSchrack JAWang HSwenor BKfalseVisual Impairment and Objectively Measured Physical Activity in Middle-Aged and Older Adults.<h4>Background</h4>Vision loss is associated with increased risk of falls and restricted physical activity, yet the relationship between multiple vision measures and objectively measured physical activity, especially activity patterns, in mid-to-late life is not well understood.<h4>Method</h4>This study included 603 participants aged 50 years and older (mean age = 73.5) in the Baltimore Longitudinal Study of Aging who had the following assessments: presenting and best-corrected visual acuity, contrast sensitivity, visual fields, stereo acuity, and free-living physical activity using a wrist-worn ActiGraph accelerometer for 7 days. Linear regression models were used to examine the association between vision measures and daily activity counts, active minutes, and activity fragmentation (defi2021-01-01T00:00:00Z2021 Nov2025-04-22T22:01:46.681Z2025-04-06T03:56:47.6ZS-EPMC85990583383740710.1093/gerona/glab103