NCT02529098撤回不适用
Modification in Cortical Activation by Functional Magnetic Resonance Imaging (fMRI) in Pseudophakic Patients With Visual Difficulties After a Multifocal Implantation
适应症
试验速览
- 阶段
- 不适用
- 状态
- 撤回
- 试验地点
- 2
- 主要终点
- Extent of neural activation in visual cortex measured by the number of voxels
研究概览
简要总结
This study will highlight differences in cortical activation between asymptomatic and symptomatic patients.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Cataract surgery with an bilateral multifocal lens implant Restor
- •Symptomatic patients :
- •Symptomatic bilateral visual difficulties for 3 months or more after the intervention which impact the daily activity
- •Asymptomatic patients :
- •No visual complaint for 3 months or more after the intervention
排除标准
- •Patients with ophthalmology disorders
- •Contra indication for fMRI
结局指标
主要结局
Extent of neural activation in visual cortex measured by the number of voxels
时间窗: 1 day
compare the extent of neural activation in visual cortex between groups
次要结局
- extent of neural activation in visual cortex measured by the number of voxels(1 day)
研究者
研究点 (2)
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