NCT00848900Unknown不适用
A Controlled Clinical Trial of the Effect of Increases Time Outdoors in the Prevention of Juvenile-onset Myopia in Chinese Children
Sun Yat-sen University1 个研究点 分布在 1 个国家目标入组 2,000 人开始时间: 2009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
- 2,000
- 试验地点
- 1
- 主要终点
- Cycloplegic refraction
研究概览
简要总结
The purpose of this study is to assess whether outdoor activities are effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
详细描述
- To determine if increased engagement in outdoor activities reduces the development and progression of myopia in Chinese school children.
- To identify the risk factors associated with the development and progression of juvenile-onset myopia.
- To characterize the interaction between refractive error and education.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Single Group
- 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 the students in Grade 1
排除标准
- 未提供
结局指标
主要结局
Cycloplegic refraction
时间窗: 1 year
次要结局
- Visual acuity(6 months)
研究者
研究点 (1)
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