About this trial
This cross-sectional population-based survey will be conducted among residents aged 65 years and older in Xinxing County, Yunfu, Guangdong Province, China. The study will use standardized eye examinations, visual acuity and refractive assessment, anterior segment examination, hearing screening and questionnaires to estimate effective refractive error coverage, effective cataract surgical coverage, effective hearing technology coverage, common eye disease status, and dual sensory impairment among older adults. The findings are intended to provide evidence for primary-level eye and hearing health services.
Eligibility criteria
Qualifiers
Aged 65 years or older.
Voluntarily participates in the study and provides signed informed consent.
Disqualifiers
Unable to cooperate with study-related examinations, including because of disability, communication barriers, or other reasons.
Has severe systemic disease that may affect study examinations or make participation potentially hazardous to health.
Considered by the investigator to be unsuitable for participation in the study.
Trial design
Treatments tested in this trial
- Not listed