The Influence of Different Preoperative Decision Schemes on the Visual Quality After Toric Intraocular Lens Implantation
试验速览
- 阶段
- 不适用
- 发起方
- 入组人数
- 60
- 试验地点
- 1
- 主要终点
- Actual residual astigmatism after surgery
研究概览
简要总结
To study the Influence of Different Preoperative Decision Schemes on the Visual Quality After Toric Intraocular Lens Implantation
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 55 Years 至 80 Years(Adult, Older Adult)
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Age-related cataract (age 55-80)
- •Corneal astigmatism is greater than 1.0D
- •Patients who are willing to implant Toric IOL
排除标准
- •Previous or present eye diseases, such as glaucoma, eye trauma, etc
- •High refractive error
- •Previous eye surgery
- •Irregular astigmatism of the cornea
研究组 & 干预措施
Steep meridian incision design group
干预措施: phacoemulsification and Toric intraocular lens implantation (Procedure)
Minimal residual theoretical astigmatism group
干预措施: phacoemulsification and Toric intraocular lens implantation (Procedure)
结局指标
主要结局
Actual residual astigmatism after surgery
时间窗: 3 month postoperation
The actual residual astigmatism value after the operation is measured with the phoropter
Actual residual astigmatism after surgery
时间窗: 1 week postoperation
The actual residual astigmatism value after the operation is measured with the phoropter
Actual residual astigmatism after surgery
时间窗: 1 month postoperation
The actual residual astigmatism value after the operation is measured with the phoropter
次要结局
- uncorrected distance visual acuity (UDVA)(3 month postoperation)
- Theoretical residual astigmatism after surgery(3 month postoperation)
- Corneal Aberrations(3 month postoperation)
- Postoperative Totic intraocular lens rotation angle(3 month postoperation)
- Postoperative astigmatism and astigmatism axial of cornea(3 month postoperation)
- uncorrected distance visual acuity (UDVA)(1 week postoperation)
- uncorrected distance visual acuity (UDVA)(1 month postoperation)
- Theoretical residual astigmatism after surgery(1 week postoperation)
- Corneal Aberrations(1 week postoperation)
- Theoretical residual astigmatism after surgery(1 month postoperation)
- Postoperative Totic intraocular lens rotation angle(1 week postoperation)
- Postoperative Totic intraocular lens rotation angle(1 month postoperation)
- Postoperative astigmatism and astigmatism axial of cornea(1 week postoperation)
- Postoperative astigmatism and astigmatism axial of cornea(1 month postoperation)
- Corneal Aberrations(1 month postoperation)
