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标题：Comparison of Preoperative and Postoperative Astigmatism after Superotemporal or Superonasal Clear Corneal Incision in Phacoemulsification
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作者：Masnec-Paškvalin, Sanja ; Čima, Ivan ; Iveković, Renata 等
期刊名称：Collegium Antropologicum
印刷版ISSN：0350-6134
出版年度：2007
卷号：31
期号：1
页码：199-202
出版社：Hrvatsko antropološko društvo
摘要：The aim of this work was comparison of preoperative and postoperative astigmatism after superotemporal or superonasal clear corneal incision. Twenty eight eyes of 28 patients treated with phacoemulsification through superotemporal or superonasal 3 mm clear corneal incision were examined by kerato-refractometer preoperatively and six months postoperatively. Adequate score was assigned to each preoperative and postoperative K-value with associated axis of astigmatism to enable comparison. Wilcoxon paired samples test was used for statistical analysis. Postoperative uncorrected Snellen visual acuity was 0.5 or better in 26 patients. In one patient visual acuity was 0.3 because of diabetic maculopathy. Postoperative astigmatism was less or equal than preoperative in 18 and greater in 10 patients. There was no statistical difference between the preoperative and postoperative astigmatism (Wilcoxon paired samples test, p=0.966) and therefore the conclusion can be made that the superotemporal or superonasal clear corneal incision has minimal effect on corneal astigmatism.
关键词：astigmatism; phacoemulsification; clear corneal incision