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Clinical study of Shotfile software for the correction of presbyopia
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- Author:
- No author available
- Journal Title:
- INTERNATIONAL EYE SCIENCE
- Issue:
- 10
- DOI:
- 10.3969/j.issn.1672-5123.2012.10.18
- Key Word:
- 老视;Shotfile切削模式;视觉质量;准分子激光
Abstract： 目的:评价Shotfile老视切削模式治疗老视患者的临床疗效.方法:老视患者44例77眼行角膜地形图引导下LASIK(TOSCA)手术并加入Shotfile老视切削模式,随访时间6mo且资料完整.观察患者术后远、近视力,屈光度,高阶像差,对比敏感度,立体视觉及患者术后满意度.结果:术后6mo平均裸眼远视力:主视眼为 1.00±0.16,非主视眼为1.00±0.23;平均裸眼近视力:主视眼为 1.07±0.29,非主视眼为1.09±0.33.屈光度:术后6mo时的平均等效球镜-0.41±0.56D.高阶像差:瞳孔直径6mm时,术后6mo较术前,水平及垂直彗差向负值方向漂移,球差向正值方向漂移,差异有统计学意义(P＜0.05).对比敏感度(CS):低、中、高频对比敏感度于术后10d及1mo较术前降低,但差异无统计学意义(P＞0.05),3mo时恢复术前水平.立体视:术后1,3,6mo立体视觉与术前比较差异无统计学意义(P＞0.05).满意度:患者对手术效果满意38例(86.4%),比较满意4例(9.1%),对近视力不满意2例(4.5%).术中、术后并发症:全部手术顺利,无术中、术后相关并发症发生.结论:Shotfile切削模式治疗老视近期安全有效,患者满意度高,能显著改善近视力,远视力无明显丢失;术后球差向正值漂移,可以补偿老视患者调节力的降低;本术式对患者立体视觉无明显影响.
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