ArticleBMC geriatrics2025
Association between near functional visual acuity and physical function in community-dwelling older adults: a cross-sectional study : Keio university global research Institute baseline survey.
Article in BMC geriatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundAs the Japanese population continues to age, functional decline with aging will inevitably become more pronounced. Vision loss and decline in lifestyle and motor functions are the main causes of functional decline. To date, a few studies have examined the relationship between visual and overall physical function. Therefore, this study aimed to quantitatively investigate the relationship between loss of visual acuity and the decline of physical functionality.
methodsThis cross-sectional study was based on the data of 86 community-dwelling older adults (average age ± standard deviation, 75.7 ± 5.5 years; 34 men) who participated in the October 2020–May 2022 baseline survey. Visual function was assessed based on the measurement of binocular near functional visual acuity (NFVA) using the Smart Vision Check application. Physical function tests were performed by measuring grip strength, 30-second chair stand (CS-30), Timed Up and Go (TUG), with eyes open, one-leg standing balance (OLSB), and two-step test. Multivariate regression analysis was performed to examine the association between NFVA and physical function, and partial regression coefficient (β) and 95% confidence interval (95%CI) were calculated.
resultsAfter adjusting for all covariates, NFVA was significantly associated with grip strength (β: 3.54, 95%CI: 0.39, 6.70). Meanwhile, no association was noted between NFVA and CS-30 (β: -0.35, 95%CI: -2.68, 1.97), TUG (β: -0.23, 95%CI: -0.65, 0.19), OLSB (β: 6.13, 95%CI: -5.09, 17.35), and two-step test (β: 0.01, 95%CI: -0.05, 0.08).
conclusionsThe study showed an association between quantitatively assessed visual and physical functions in community-dwelling older adults living in Japan. Thus, the findings indicate that maintaining and enhancing grip strength and visual function in older adults may be an important factor in leading a healthy and fulfilling life.
trial registrationRegistration number, UMIN000041970.
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