Visual impairment
Conditions
Interventions
Visually Impaired Group:None
Sponsors
Tianjin Eye Hospital
Eligibility
Sex/Gender
All
Age
60 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >= 60 years old; 2. Confirmed by an ophthalmologist to have moderate or above visual impairment (based on comprehensive visual indicators such as best corrected visual acuity, contrast sensitivity or visual field defects); 3. Able to understand and sign the informed consent form, and agree to participate in the follow-up study; 4. Possesses normal comprehension, cognition and communication skills and voluntarily participates in this study with informed consent.
Exclusion criteria
Exclusion criteria: 1. Severe hearing impairment or aphasia, making verbal cognitive assessment impossible to complete; 2. In a state of acute delirium, or suffering from severe mental illnesses (such as schizophrenia and bipolar disorder) that interfere with cognitive assessment; 3. Advanced malignant tumors, or a life expectancy of less than 6 months as assessed by a clinician; 4. Definite diagnosis of dementia (e.g., Alzheimer's disease, vascular dementia) or moderate-to-severe cognitive impairment (mild cognitive impairment should be carefully excluded based on clinical history and neuroimaging evidence); 5. History of major cerebrovascular events (e.g., cerebral infarction, intracerebral hemorrhage) with significant neurological sequelae; 6. Cognitive or visual symptoms attributable to other neurodegenerative diseases (e.g., Parkinson's disease).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Trajectory of cognitive function changes over time (based on MoCA-Basic and ACE-III scores); differences among trajectory categories; predictive effects of visual function and psychosocial variables o; | — |
Secondary
| Measure | Time frame |
|---|---|
| Mediating/moderating effects of depression level and social support in the visual-cognitive relationship; changing trends of activities of daily living (ADL, IADL); longitudinal changes in physical ac; | — |
Countries
China
Contacts
Public ContactZhao Rui
Tianjin Eye Hospital
Outcome results
None listed