Analysis of I-Trace High Order Aberrations Induced by Wavefront Optimized Ablation Profiles
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 入组人数
- 10
- 试验地点
- 1
- 主要终点
- Visual acuity
研究概览
简要总结
This work aims at the analysis of ocular aberrations induced by wave front optimized ablation profiles WFO using I-Trace aberrometer (Ray -Tracing)
详细描述
The iTrace (Tracey Technologies, Houston, Tx) is uniquely designed to combine Placido corneal topography with a ray tracing aberrometer to measure quality of vision in a patient. This work aims at the analysis of ocular aberrations induced by wave front optimized ablation profiles WFO using I-Trace aberrometer (Ray -Tracing)
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 80 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Myopia up to -8.0 D and astigmatism up to -2.0D.
- •Cases above 18 years of age with a stable refraction for at least one year.
排除标准
- •Keratoconus.
- •Patients with collagen diseases.
- •Previous LASIK or any other refractive surgery.
- •Severe dry eye syndrome.
研究组 & 干预措施
Laser in situ keratomileusis
A prospective clinical study including 20 eyes of 10 cases undergoing laser in situ keratomileusis (LASIK)
干预措施: LASIK (Device)
结局指标
主要结局
Visual acuity
时间窗: 3 months
Unaided as well as best corrected visual acuity
Manifest refraction
时间窗: 3 months
Manifest refraction
Evaluation of ocular aberrations
时间窗: 3 months
3. Evaluation of ocular aberrations done using iTrace Visual Functional Analyzer (ray tracing technology) to quantify changes in total higher order aberrations, coma, spherical aberrations, secondary astigmatism and trefoil after LASIK surgery
次要结局
未报告次要终点