NCT01942057已完成不适用
Myopia Prevalence in Canadian School Children - a Pilot Study
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 173
- 试验地点
- 1
- 主要终点
- Number of children with spherical equivalent refraction of at least -0.50D in at least one eye
研究概览
简要总结
The goal of this study is to determine the prevalence of nearsightedness in Canadian school children living in the Waterloo Region.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Cross Sectional
入排标准
- 年龄范围
- 6 Years 至 18 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Has had a parent/legal guardian read the study consent form and who agrees to allow them to participate in the study by signing the consent form
- •Has had the "letter of assent for children" explained to them, the child has agreed to participate and the letter has been signed by the study investigator and the child
- •Has provided the completed Questionnaire (Appendix 4A for parents to complete on behalf of their children in school grades 1 and 2, 6 and 7; Appendix 4B for children to complete that are in school grades 11 and 12)
- •Is currently in school grades 1 and 2, 6 and 7 or 11 and 12
- •Is willing and able to follow instructions and maintain the appointment schedule
排除标准
- •Has not given verbal assent to participate
- •Has known sensitivity to the diagnostic pharmaceuticals to be used in the study
- •Has undergone refractive error surgery or orthokeratology
- •Has serious medical disorders or eye diseases/abnormalities such as amblyopia and cataract or a cognitive inability to conduct the tests
结局指标
主要结局
Number of children with spherical equivalent refraction of at least -0.50D in at least one eye
时间窗: Day1
次要结局
未报告次要终点
研究者
研究点 (1)
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