NCT00804869撤回不适用
Standard A-mode Ultrasonography vs PalmScan Ultrasonography: Biometric Measurements.
Asociación para Evitar la Ceguera en México1 个研究点 分布在 1 个国家开始时间: 2008年10月最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 撤回
- 发起方
- 试验地点
- 1
- 主要终点
- Lens Thickness (LT)
研究概览
简要总结
Ultrasonography has become a critical ancillary test in the clinical practice of ophthalmology. It is commonly used as a standardized method for assessing intraocular biometry. The PalmScan ultrasonography (PsU) is a portable A-scan device that uses the same principles as the standard A-scan. The aim of the study is to compare the reliability of their measurements, in order to use them indistinctively.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Retrospective
入排标准
- 年龄范围
- 50 Years 至 90 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Patients with indication for a standard A-mode ultrasound
排除标准
- •No superficial anormalities.
- •Patients with external injuries.
- •Intraocular silicon oil.
- •Retinal detachment
- •Significant ocular pathologies.
结局指标
主要结局
Lens Thickness (LT)
时间窗: during examination
axial length (AL).
时间窗: during examination
Anterior Chamber Deep (ACD)
时间窗: during examination
次要结局
未报告次要终点
研究者
研究点 (1)
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