NCT06165796已完成不适用
The Effect of LASIK on the Calibration of IOL Formula Calculation: a Comparative Study
Taipei Nobel Eye Clinic1 个研究点 分布在 1 个国家目标入组 331 人开始时间: 2022年1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
- 331
- 试验地点
- 1
- 主要终点
- visual acuity
研究概览
简要总结
Direct comparison study between previous LASIK or non-LASIK cataract eyes, the performance between non-LASIK and LASIK patients were (i) Ophthalmic examinations: UDVA, CDVA and uncorrected near visual acuity (UNVA) (40cm) and (ii) Refractive prediction error: defined as difference between postoperative sphere and target refraction.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Control
- 时间视角
- Retrospective
入排标准
- 年龄范围
- 50 Years 至 80 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •presence of cataract in both eyes
- •corrected distance visual acuity under 20/40
- •Phacoemulsification cataract surgery was arranged for both eyes
排除标准
- •complicated cataract
- •corneal opacities or irregularities
- •corneal astigmatism > 1.50 diopter
- •amblyopia, anisometropia
- •surgical complications such as posterior capsular bag rupture or vitreous loss, IOL tilt or decentration
- •coexisting ocular pathologies, glaucoma, non-dilating pupil, history of intraocular surgery, or retinopathy
- •optic nerve or macular diseases
- •refusal or unable to maintain follow-up.
结局指标
主要结局
visual acuity
时间窗: 1 month after surgery
refractive prediction error
时间窗: 1 month after surgery
次要结局
未报告次要终点
研究者
Chao-Kai Chang
Dean
Taipei Nobel Eye Clinic
研究点 (1)
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