NCT01995630已完成不适用
Optical Quality After Implantation of a Spherical or Aspherical Intraocular Lens in Hypermetropic Patients: A Randomized Clinical Trial
Medical University of Graz2 个研究点 分布在 1 个国家目标入组 62 人开始时间: 2013年11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
- 62
- 试验地点
- 2
- 主要终点
- Distance-corrected intermediate visual acuity
研究概览
简要总结
The purpose of this study is to evaluate differences in the depth of focus after implantation of a spherical or aspheric IOL in hypermetropic and emmetropic patients. After implantation of a spherical IOL hypermetropic patients may achieve a better depth of focus compared to emmetropic patients due to a larger amount of spherical aberrations.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 40 Years 至 80 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Dioptric power of IOL >22.0 D in hypermetropic patients and 18.0-22.0 D in emmetropic patients, respectively
排除标准
- •Uveitis, pathology of the retina or the optic nerve
- •Corneal scarring or irregularities
- •Astigmatism >1.5 D
- •Amblyopia
- •Perioperative complications
- •Postoperative refractive error >2.0 D of spherical equivalent
- •Postoperative DCVA <0.8 (ETDRS)
结局指标
主要结局
Distance-corrected intermediate visual acuity
时间窗: 3 month postop
次要结局
- Pseudoaccomodation(3 month postop)
- Photopic contrast sensitivity(3 month postop)
- Distance-corrected near visual acuity(3 month postop)
- Uncorrected distance visual acuity(3 month postop)
- Corrected distance visual acuity(3 month postop)
- Uncorrected near visual acuity(3 month postop)
- Corrected near visual acuity(3 month postop)
- Mesopic contrast sensitivity(3 month postop)
- Spherical aberrations(3 month postop)
- High order aberrations(3 month postop)
研究者
Navid Ardjomand
Univ.-Doz. Dr. med. univ.
Medical University of Graz
研究点 (2)
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