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The changes in contrast sensitivity after laser photocoagulation of diabetic retinopathy

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Author:
No author available
Journal Title:
Chinese Journal of Diabetes
Issue:
3
DOI:
10.3969/j.issn.1006-6187.2012.03.004
Key Word:
糖尿病视网膜病变;对比敏感度;视网膜光凝术

Abstract: 目的 观察激光治疗不同分期DR的疗效及对比敏感度的变化. 方法 将DR分期并行激光治疗,对照组(Con组)和DR患者术前及术后行视力、眼底及对比敏感度(CS)检查. 结果 激光治疗后DR各期视力有效率(84.2%,78.3%,72.2%)及视网膜病变治疗有效率(92.1%,87.0%,83.3%)比较,差异无统计学意义(P>0.05).激光术前DR各期在各个空间频率与Con组比较,差异大部分有统计学意义(P<0.05).激光术后各期DR对比敏感度明显下降,除了术后3个月及6个月时大部分低频区及中频区差异无统计学意义(P>0.05)外,其他大部分差异有统计学意义(P<0.05). 结论 CS可以较好地评价糖尿病患者的视功能损害程度,激光光凝对视网膜有直接和间接的损害.

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