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Visual AcuityNCT04433130

Eye Health in Children and Adolescents: Repeated Cross-sectional Survey

An observational study of Visual Acuity, run by Zhongshan Ophthalmic Center, Sun Yat-sen University at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The investigator will take a mixed-methods approach to gather relevant information from both children or adolescents, and their parents on profiles of eye health, as well as routinely available indicators. Read more about this study

Who is it for?
Ages 3 to 18 years
Conditions the study is for
Visual Acuity
How many people
300 participants
Where
1 siteChina
Study dates
16 Jun 2020to 31 Aug 2024
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 3 to 18 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Study population: Subjects seeking care on refractive error or vision problems and their parents

Who may be able to join

  • Subjects with valid information on eye health-related profiles
  • Completion of eye health examination delivered by trained ophthalmic professionals

Who cannot join

  • Inability to give informed consent
  • Unable to retrieve individual records on eye health examination

Trial locations and contacts

1 site in 1 country.

China1 site, 1 recruiting
  • Zhongshan Ophthalmic Center, Sun Yat-sen University

    Guangzhou, Guangdong, 510000

    Yuting LI, MPH, +86-020-87334687, ytdorothy@163.com

    Recruiting

Other trials in China

About this study

The investigator will take a mixed-methods approach to gather relevant information from both children or adolescents, and their parents on profiles of eye health, as well as routinely available indicators. This includes a series of baselining and follow-up analyses of cohort data collected on epidemiological, clinical, therapeutic, and service aspects of eye health and individual-level outcomes

Read the detailed description

The investigator will take a mixed-methods approach to gather relevant information from both children or adolescents, and their parents on profiles of eye health, as well as routinely available indicators. This includes a series of baselining and follow-up analyses of cohort data collected on epidemiological, clinical, therapeutic, and service aspects of eye health (e.g., social environment, preventive behaviours, risk factors, knowledge and attitudes, health and social care, etc.) and individual-level outcomes (e.g., clinical parameters and symptoms, biomarkers, self-reported measures, risk profiles, etc.).

Conditions
Visual Acuity

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. visual acuity

    The primary aims of the research project are to explore the profiles of eye health and how lifestyle behaviours, social environment, and individual risk factors are associated with health outcomes.

    Measured: Baseline and changes up to 4 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted16 Jun 2020
  2. Study start16 Jun 2020
  3. Primary completion31 Aug 2024 (estimated)
  4. Study completion31 Aug 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Other
Time perspective
Prospective
Enrolment
300 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04433130
Sponsor's protocol ID
SYSU-OPH-006
Status last verified
Jul 2020
First submitted
12 Jun 2020
Last updated
24 Jul 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Visual Acuity, run by Zhongshan Ophthalmic Center, Sun Yat-sen University at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 24 Jul 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Each site lists its own contact: choose the nearest one under Trial locations. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

visual acuity (time frame: Baseline and changes up to 4 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Jul 2020.

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