Efficacy of Radial Keratotomy in the Optical Rehabilitation of Mild to Moderate Keratoconus Cases
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 36
- 试验地点
- 1
- 主要终点
- outcome measures: uncorrected and best spectacle corrected visual acuity, keratometer readings
研究概览
简要总结
Keratoconus is a progressive ectatic disorder that steepens the cornea resulting in a conical shape. Radial Keratotomy can provide an optical rehabilitation by its flattening effect. It can also halt the progression of disease owing to fibrotic activation in perpendicular corneal incisions.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Only
- 时间视角
- Retrospective
入排标准
- 年龄范围
- 18 Years 至 —(Adult, Older Adult)
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •keratoconus with a central corneal thickness (CCT) over 400µm,
- •poor corrected visual acuity (≤0.4 at Snellen visual acuity charts),
- •contact lens intolerance
排除标准
- •apical scarring,
- •ocular or systemic problem other than keratoconus
结局指标
主要结局
outcome measures: uncorrected and best spectacle corrected visual acuity, keratometer readings
时间窗: after surgery - 12 to 52 months
Preoperative and postoperative uncorrected visual acuity, best spectacle corrected visual acuity, and keratometer readings will be reviewed retrospectively. As reviewed follow up time range is 12 to 52 months, time frame is assessed as " 12 to 52 months"
次要结局
未报告次要终点
研究者
Ibrahim Kocak
M.D.
Nisa Hastanesi
