NCT04224129Unknown不适用
Defining and Quantifying Negative Dysphotopsia Characterization and Causative Factors of Negative Dysphotopsia
Vienna Institute for Research in Ocular Surgery1 个研究点 分布在 1 个国家目标入组 10 人开始时间: 2016年1月最近更新:
适应症
试验速览
- 阶段
- 不适用
- 发起方
- 入组人数
- 10
- 试验地点
- 1
- 主要终点
- Identification of factors or a combination thereof that may cause negative dysphotopsia
研究概览
简要总结
The present study is designed as an exploratory study, seeking to investigate the correlation of patient complaints to subjective or objective measurement methods. Better understanding of causative factors of negative dysphotopsia will improve detection and maybe prediction of this optical phenomenon.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 21 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Pseudophakic
- •Recurrently and persistently reporting about negative dysphotopsia
- •Age 21 and older
- •written informed consent prior to entering the study
排除标准
- •Relevant ophthalmic diseases such as: glaucoma, (previous) traumatic cataract, corneal scars, age-related macular degeneration and other pathologies resulting in visual field defects
- •Pregnancy
结局指标
主要结局
Identification of factors or a combination thereof that may cause negative dysphotopsia
时间窗: 2 hours
Biometry, Anamnesis, visual field, psychological questionnaires, wavefront aberrometry will be used to analyse if a factor causative for negative dysphotopsia can be detected
次要结局
- Method to standardize characterization of negative dysphotopsia(20 minutes)
- Correlation between eye biometry, patient complaints and psychophysics(30 minutes)
研究者
Prim. Prof. Dr. Oliver Findl, MBA
Principal Investigator
Vienna Institute for Research in Ocular Surgery
研究点 (1)
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