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目的：评价放射状角膜切开术（ＲＫ）中微穿孔对术后１年内角膜内皮的影响。方法：应用角膜内皮镜及角膜内皮分析仪研究４８例ＲＫ术中微穿孔和未穿孔眼的角膜内皮形态学变化，分别在术前及术后１、３、６、１２个月行角膜内皮检查及分析。结果：比较手术前后角膜内皮的数量、平均面积、最大面积和最小面积，穿孔眼及未穿孔眼差异无显著性，但内皮细胞面积两组都有扩大的趋势。结论：ＲＫ术后一年内无论微穿孔还是未穿孔眼的角膜内皮数量及形态学变化均无显著性改变。但角膜内皮面积在两组均有扩大的趋势，角膜微穿孔不是主要影响因素。
Objective: To evaluate the effect of microperforation in radial keratotomy (RK) on the corneal endothelium within one year after surgery. Methods: The changes of corneal endothelium in 48 cases of micro-perforation and non-perforation of RK were studied by corneal endothelial and corneal endothelial analyzer. Corneal endothelium examination was performed before and 1, 3, 6 and 12 months after operation And analysis. Results: There was no significant difference between the number of corneal endothelium, the average area, the maximum area and the minimum area before or after surgery. However, the area of endothelial cells tended to expand. Conclusion: There was no significant change in the number and morphology of corneal endothelium in both micro-perforation and non-perforation eyes within one year after RK. But the corneal endothelial area in both groups have an increasing trend, micro-perforation of the cornea is not the main factor.