NCT01598428已完成不适用
Effect of Anterior Capsule Polishing on Effective Lens Position After Cataract Surgery
Shandong University1 个研究点 分布在 1 个国家目标入组 20 人开始时间: 2013年1月1日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 20
- 试验地点
- 1
- 主要终点
- Effective Lens Position
研究概览
简要总结
- The purpose of this study is to evaluate effects of anterior capsule polishing on effective lens position (ELP) and actual axial movement of the intraocular lens (IOL) by measuring anterior chamber depth (ACD)
- patients with bilateral age-related cataract undergo bilateral uneventful cataract surgeries with in-the- bag implantation of a single-piece hydrophobic acrylic foldable IOL (SN60WF). The anterior capsule was extensively polished using Whitman Shepherd Double-Ended Capsule Polisher in one eye randomly, and the other not. The ACD was measured 1day, 1 week, 1month, 3 months and 6 months with anterior segment Optical Coherence Tomograph (AS-OCT) postoperatively. The actual axial movement of IOL was defined as the root mean square (RMS) of the change in ELP at each visit.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Single Group
- 主要目的
- Supportive Care
- 盲法
- Double (Participant, Investigator)
入排标准
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •bilateral age-related cataract
- •good overall physical constitution
- •uneventful surgeries of both eyes with in-the-bag IOL implantation
排除标准
- •history of intraocular surgery or laser therapy
- •history of ocular trauma or ocular disease
- •high myopia
- •severe retinal pathology
- •patients who could not return on time
结局指标
主要结局
Effective Lens Position
时间窗: 1 day，1 week, 1 month，3 months and 6 months postoperatively
Effective lens position was measured with anterior chamber depth 1 day，1 week, 1 month as well as 3 months and 6 months postoperatively using anterior segment Optical Coherence Tomograph. The anterior chamber depth defined as the distance between the posterior surface of the corneal and anterior surface of intraocular lens in the pupil center along the optical axis. The actual movement of intraocular lenses was defined as the root mean square of changes in the effective lens position at each visit.
次要结局
- Uncorrected Visual Acuity(UCVA)(1 day，1 week, 1 month as well as 3 months and 6 months postoperatively)
- Refractive Error(1 day，1 week, 1 month as well as 3 months and 6 months postoperatively)
研究者
Yang Gao
Principal Investigator
Shandong University
研究点 (1)
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