NCT00627874Unknown不适用
A Randomised, Controlled Trial of Prevention of Juvenile-Onset Myopia in Chinese Children
Sun Yat-sen University0 个研究点目标入组 1,200 人开始时间: 2010年4月1日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 发起方
- 入组人数
- 1,200
- 主要终点
- Axial Length of eyes
研究概览
简要总结
The purpose of this study is to assess whether a short-term imposed myopic defocus is effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
详细描述
- To determine if +3D lenses wearing for half an hour everyday prevents the development and progression of myopia in school children.
- To identify ocular parameters and risk factors at baseline associated with development and progression of myopia.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Prevention
- 盲法
- None
入排标准
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •All children in the selected class are enrolled
排除标准
- •Hyperopia > +2.0 D
- •High myopia > -6.0 D
- •Astigmatism> 1.5 D
- •Anisometropia > 1.5 D
- •Strabismus and amblyopia
- •Any ocular, systemic, or neurodevelopmental conditions that could influence refractive development
- •Chronic medication use that might affect myopia progression or visual acuity
- •Already receiving other treatment for progressing myopia
结局指标
主要结局
Axial Length of eyes
时间窗: Annual
次要结局
- Autorefraction(Annual)
研究者
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