Survey of Sensory Impairment Indicators Among Adults Aged 65 Years and Older in Xinxing County

Starting soon

Conditions studied: Visual Impairment, Hearing Loss, Dual Sensory Impairment, Cataract, Refractive Error

In brief

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.

Key facts

Study ID

NCT07694505

Run by

Zhongshan Ophthalmic Center, Sun Yat-sen University

People needed

2854

Starts

2026-07-06

Expected to finish

2026-12-31

Last updated by the study team

2026-07-10

Who can join

Age: 65 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Aged 65 years or older.
• Voluntarily participates in the study and provides signed informed consent.

You may not qualify if…

• 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.

Where it is running

• Xinxing County — Yunfu, Guangdong, China

Full record on ClinicalTrials.gov

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