ISRCTN22899379已完成未知
In patients with presbyopia and hypermetropia, do optimal keratoplasty improve near and distance visual acuity?
Istituto Europeo di Microchirurgia Oculare0 个研究点目标入组 35 人开始时间: 2017年3月14日最近更新:
适应症
试验速览
- 阶段
- 未知
- 状态
- 已完成
- 发起方
- 入组人数
- 35
研究概览
简要总结
2017 Results article in https://pubmed.ncbi.nlm.nih.gov/28484647/ (added 15/02/2022)
研究设计
- 研究类型
- Interventional
入排标准
- 性别
- All
入选标准
- •1. Aged 40 years and over
- •2. Low to moderate hypermetropia (manifest refraction: sphere between +1 to +2.5 D, absolute cylinder =1 D) or presbyopia (with presbyopic adds between +1D to +2.75 D)
- •3. Documented stable refraction
- •4. Corrected distance visual acuity (CDVA) of 33 Early Treatment Diabetic Retinopathy Study (ETDRS) letters or better
排除标准
- •1. Nystagmus
- •2. Corneal diameter =9 mm
- •3. Central corneal thickness =500 µm
- •4. Dry eye disease
- •5. Severe blepharitis
- •6. Residual, recurrent or active corneal disease or abnormality
研究者
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