High Myopia
Conditions
Keywords
high myopia, ocular biometric parameters, adolescent, children
Brief summary
The study aims to observe the relationship between the changes of ocular structure parameters and pathological changes among children and adolescents with high myopia. Environmental factors and family history will also be collected to explore their impacts on high myopia progression.
Detailed description
This study aims to observe children and adolescents with high myopia for 3 years, and to collect data of ocular pathological changes, family history and environmental factors so as to understand the natural course and internal laws of the development of high myopia.
Interventions
OTHERObservational
none (observational study)
Sponsors
Zhongshan Ophthalmic Center, Sun Yat-sen University
Study design
Observational model
OTHER
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
6 Years to 18 Years
Healthy volunteers
Yes
Inclusion criteria
* 9 to 18 years old school students in Guangzhou, with either eye had myopia equal or greater than 6.0D * Or 6 to 8 years old school students in Guangzhou, with either eye had myopia equal or greater than 3.0D * Written informed consent for study participation * Be willing to cooperate with the relevant ophthalmological examination and complete the questionnaire.
Exclusion criteria
* None school students in Guangzhou * Other contraindications * A history of allergy to tropicamide or topical anesthetics * Missing ability to give informed consent
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| To observe the relationship between the changes of ocular structure parameters and pathological changes among children with high myopia. | examine every 12 months, follow up 3 years | examine the ocular pathological changes |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| To explore the impact of environmental factors and genetic factors on the progression among children and adolescents with high myopia | examine every 12 months, follow up 3 years | axial length, refractive error changes, environmental factors, family history, exercise time, eye care habits, form of exercise |
Countries
China
Contacts
Primary ContactYuting LI, master
Backup ContactQianyun CHEN, Bachelor
Outcome results
None listed