Large survey aims to uncover hidden vision and hearing loss in older adults

NCT ID NCT07694505

Not yet recruiting Knowledge-focused Sponsor: Zhongshan Ophthalmic Center, Sun Yat-sen University Source: ClinicalTrials.gov ↗

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study surveys about 2,800 adults aged 65 and older in Xinxing County, China, to measure how many have untreated vision or hearing problems. Participants receive eye exams, hearing tests, and questionnaires. The goal is to provide local health services with data to improve care for common issues like cataracts, refractive errors, and hearing loss.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this survey could help local health services better address vision and hearing problems in older adults.
What could go wrong: This is an observational survey, not a treatment trial. It measures current conditions but does not test any intervention.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CATARACT are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

cataract hearing loss disorder refractive error vision disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CATARACT DUAL SENSORY IMPAIRMENT HEARING LOSS REFRACTIVE ERROR VISUAL IMPAIRMENT

Contacts and locations

Show contact details

Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Xinxing County

Yunfu, Guangdong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.