ND-YAG Laser Iris Depigmentation for Cosmoses
试验速览
- 阶段
- 不适用
- 状态
- 撤回
- 入组人数
- 60
- 试验地点
- 1
- 主要终点
- Monitoring intra-ocular pressure (IOP) by the standard Goldman applanation tonometer before and after ND-YAG Laser for iris depigmentation
研究概览
简要总结
Nd-YAG Laser for changing iris coloration by the principle of depigmentation for cosmoses Is that procedure safe or not a prospective study
详细描述
Nd-YAG Laser for changing iris coloration by the principle of depigmentation for cosmoses Is that procedure safe or not a prospective study safety will be assessed by measuring IOP using Goldman applanation tonometry pre and post-session.
visual acuity assessment in Log-Mar pre and post-session. Refraction assessment pre and post-session. Lens and fundus assessments on slit-lamp and using auxiliary lens 78D
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Other
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •clear cornea
- •clear lens
- •normal IOP < 20 mmHg
- •adults aged more than 18 years old
- •normal fundus
- •dark pigmented iris (black or brown)
排除标准
- •Glaucomatous patients and those receiving anti-glaucoma treatment.
- •corneal or lens opacity.
- •any fundus abnormality
结局指标
主要结局
Monitoring intra-ocular pressure (IOP) by the standard Goldman applanation tonometer before and after ND-YAG Laser for iris depigmentation
时间窗: one year
Session of Nd-YAG Laser targeting the iris using power less than that used for peripheral iridotomy causing pigment bleaching to change the iris colour for cosmoses, which may cause pigmentary glaucoma (secondary open angle glaucoma).
Safety of ND-YAG Laser, by visual acuity assessment in log-mar subjectively by using Snellen chart before and after ND-YAG Laser
时间窗: one year
If ND-YAG LASER could affect visual acuity.
次要结局
未报告次要终点
研究者
Elshimaa A.Mateen
Clinical professor
Sohag University