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To identify visual trajectories and examine their relationships with physical and cognitive function in older Chinese adults. Population-based longitudinal study. The Chinese Longitudinal Healthy Longevity Survey. A total of 16,151 participants aged ≥65 years. Visual, physical (including activities of daily living [ADL] and instrumental ADL [IADL]), and cognitive function were assessed at baseline and subsequently every 3 years. ADI disability and IADL disability were defined as needing any help in any item of the Katz scale and a modi