Xinxing Eye Cohort Study
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age0-100
SponsorZhongshan Ophthalmic Center, Sun Yat-sen University
About this trial
To establish the baseline levels and monitor the progress of two newly introduced global eye health indicators in Xinxing County, including effective refractive error coverage (eREC) and effective cataract surgery coverage (eCSC). And to assess the prevalence and treatment status of common eye disease in Xinxing County.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Primary and secondary school students in Xinxing County and people covered by the national basic public health service, including children aged 0-6, seniors over 65 years old and diabetic patients, etc.
Voluntarily participate in this study and provide signed informed consent
Disqualifiers
Unable to cooperate with research-related examinations, such as those with disabilities, communication barriers, or other reasons that prevent examinations
With serious systemic disease that may affect the examination, or participating in the research examination may endanger one's health
Other people who the researchers consider unsuitable to participate in this study
Trial population
Primary and secondary school students in Xinxing County and people covered by the national basic public health service, including children aged 0-6, seniors over 65 years old and diabetic patients, etc.
Trial design
Design model
Cohort
Time perspective
Prospective
Treatments tested in this trial
Not listed
Trial groups
No trial groups listed
Trial outcomes
Primary outcomes
1
Visual acuity
Test and record uncorrected visual acuity; if the participant wears glasses, measure the best corrected visual acuity with glasses. For participants with poor unaided or corrected visual acuity (\<4.7), perform additional pinhole visual acuity testing.
Time frame
through study completion, an average of 1 yearSecondary outcomes
1
Strabismus
Assess strabismus status and angle at both near and distance fixation.
Time frame
through study completion, an average of 1 year2
Autorefraction
Measure spherical power, cylindrical power, and axis in both eyes. Cycloplegia may be required in children, preferably using 1% tropicamide, one drop each time, three times. Before cycloplegia, check allergy history, medical history, and anterior chamber depth; inform guardians of potential risks and precautions related to cycloplegia, and ensure that guardians accompany the child throughout the procedure.
Time frame
through study completion, an average of 1 year3
Questionnaire
Questionnaires on demographics, disease histories and etc.
Time frame
through study completion, an average of 1 year4
Fundus examination
Examine the retina of both eyes and document any retinal pathology. If pupils are too small, mydriasis may be required, following the same drugs and procedures as above.
Time frame
through study completion, an average of 1 yearLocations
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Source ClinicalTrials.gov
This trial is not recruiting at the moment. You can still explore other options: