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临床试验/NCT00848900
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

  1. To determine if increased engagement in outdoor activities reduces the development and progression of myopia in Chinese school children.
  2. To identify the risk factors associated with the development and progression of juvenile-onset myopia.
  3. 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

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

发起方
Sun Yat-sen University
申办方类型
Other

研究点 (1)

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