NCT04913792Unknown不适用
Clinical Outcomes With an Extended Range of Vision Intraocular Lens
适应症
试验速览
- 阶段
- 不适用
- 入组人数
- 30
- 试验地点
- 1
- 主要终点
- Uncorrected distance VA（5m，66cm，40cm）
研究概览
简要总结
To evaluate the clinical outcomes with an extended range of vision (ERV) IOL based on achromatic diffractive technology.
详细描述
This was a prospective comparative study including 60 eyes undergoing cataract surgery with implantation of the ERV Tecnis Symfony IOL (Abbott Medical Optics, Inc.) (ERV group: 60 eyes of 30 patients). Visual, refractive, contrast sensitivity, defocus curve, ocular optical quality (Optical Quality Analysis System; iTrace), and visual function questionair（NEI-VFQ 25） outcomes were evaluated during a 3-month follow-up.
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
- 20 Years 至 85 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •visually significant cataract
- •age of 20 years or older
- •preoperative corneal astigmatism of 1.50 diopters (D) or lower.
排除标准
- •previous ocular surgery
- •active ocular pathology
- •amblyopia
- •systemic or ocular medication that could affect vision
- •subclinical or clinical corneal ectatic disease
- •pupil abnormalities
- •intraoperative complication leading to capsular or zonular abnormalities
结局指标
主要结局
Uncorrected distance VA（5m，66cm，40cm）
时间窗: After operation （Month 3）
logarithmic visual acuity chart
次要结局
- Questionnaire concerning halo and visual function(After operation （Month 3）)
- abberation and kappa angle(After operation （Month 3）)
- MTF cut-of and OSI(After operation （Month 3）)
研究者
Yune Zhao
Clinical Professor
Wenzhou Medical University
研究点 (1)
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