视网膜脱离巩膜环扎术后屈光状态的改变

CHINESE JOURNAL OF MISDIAGNOSTICS(2005)

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Abstract
目的:研究视网膜脱离巩膜环扎术后眼部屈光状态的改变及其影响因素.方法:用眼科超声仪、角膜曲率仪、验光仪等对巩膜环扎加压眼内嵴高为4~6D的73例原发性视网膜脱离患者的73只患眼手术前1 d及术后第1,4,12周时前房深度、眼轴长度、晶状体厚度、眼屈光度、角膜曲率等进行测量并将结果进行比较.结果:前房深度在术后第1,4,12周时较术前显著变浅(P<0.05);眼轴长度无明显变化;晶状体厚度和眼屈光度在术后第1,4周时较术前分别有增厚和向负值偏移(P<0.05),术后第12周时两者与术前比较无显著差异;巩膜环扎联合≤1象限加压块组术后第1、4周加压径线的角膜曲率与术前比较差异显著(P<0.05).结论:在较高眼内环扎嵴时,术眼术后早期晶状体增厚和前房变浅是眼屈光度负值增加的主要因素,其原因与术后虹膜晶状体隔移位等有关.
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Key words
scleral buckling surgery abstract,ocular measurable factors,refractive changes
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