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目的探讨急性与慢性闭角型青光眼解剖结构的异同。方法采用美国Humphrey公司眼科专用A型超声测量系统,对36例(36只眼)急性闭角型青光眼、33例(33只眼)慢性闭角型青光眼及36例(36只眼)正常对照组的解剖结构(包括前房深度、晶体厚度、眼轴长度)进行测量,同时计算晶体相对位置及晶体厚度/眼轴长度系数,各项均值进行组间比较和分析。结果急性闭角型青光眼组、慢性闭角型青光眼组相比,除晶体相对位置外,各项均值均有显著性差异。急性闭角型青光眼组与正常对照组、慢性闭角型青光眼组与正常对照组相比,各项均值均有显著性差异。结论急性与慢性闭角型青光眼的解剖结构存在差异,表现为急性闭角型青光眼的前房更浅、晶体更厚、眼轴更短,提示这两类闭角型青光眼的发病机制有所不同。
Objective To explore the similarities and differences between anatomical structures of acute and chronic angle closure glaucoma. Methods Thirty-six eyes (36 eyes) of acute angle-closure glaucoma, 33 eyes (33 eyes) of chronic angle-closure glaucoma and 36 cases (36 eyes) of normal control group (Including the depth of the anterior chamber, the thickness of the lens and the axial length of the anterior chamber), and calculate the relative position of the crystal and the crystal thickness / axial length coefficient. The mean values of the two groups were compared and analyzed. Results Compared with the acute angle-closure glaucoma group and the chronic angle-closure glaucoma group, all the mean values were significantly different except for the relative position of the crystal. Acute angle-closure glaucoma group and the normal control group, chronic angle-closure glaucoma group compared with the normal control group, the means were significantly different. Conclusions The anatomic structures of acute and chronic angle-closure glaucoma are different. Acute angle-closure glaucoma shows more shallow anterior chamber, thicker lens and shorter axial length, suggesting that the pathogenesis of these two types of angle-closure glaucoma is different .