Ocular Development and Refractive Error Changes Among Children and Adolescent

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

7050 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-07-20

Study Completion Date

2024-07-20

Brief Summary

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The study aims to observe the ocular development and refractive error changes among school children and adolescents

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Detailed Description

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This study aims to observe the refractive error changes of school children and adolescents for 3 years, and to collect data of ocular structural parameters, family history and environmental factors so as to understand the natural course and internal laws of myopia progression.

Conditions

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Myopia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* School children and adolescent at the age of 3(Junior Kindergarten), 6(Grade 1), 9(grade 4), 12(grade 7).
* No allergy to tropicamide or topical anesthetics
* written informed consent is obtained from guardian
* Be willing to cooperate with the relevant ophthalmological examination and complete the questionnaire.

Exclusion Criteria

* No history of eye diseases
* Receiving or has been received treatment of myopia control such as atropine eye drops, corneal contact lens or myopic glasses
* A history of allergy to topic amide or topical anesthetics
* Have severe systemic disease
* Missing ability to give informed consent

Minimum Eligible Age

3 Years

Maximum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No