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Clinical research of macular branch retinal vein occlusion and surveying of the area of foveal avascular zone
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OCULAR FUNDUS DISEASES
- Issue:
- 5
- DOI:
- 10.3760/j.issn:1005-1015.2003.05.005
- Key Word:
- 视网膜静脉闭塞/病理生理学;黄斑水肿;视觉障碍/病因学
Abstract： 目的观察视网膜黄斑分支静脉阻塞(macular branch retinal vein occlusion, MBRVO)眼的临床特点以及黄斑中心凹无血管区(foveal avascular zone,FAZ)面积的改变. 方法回顾分析检眼镜、Goldmann三面镜和裂隙灯显微镜及荧光素眼底血管造影(fundus fluorescein angiography,FFA)等检查确诊的MBRVO患者69例69只眼的临床资料,观察分析阻塞处动静脉的位置关系、眼底及FFA特点和并发症等临床特征.并对其中36例病程3～6个月的MBRVO患者及30名正常对照者采用Heidelberg 激光扫描眼底荧光造影系统测定的FAZ面积资料进行对比分析. 结果 69例MBRVO发生于黄斑上支者45只眼,占65.22%,黄斑下支者24只眼,占34.78%.阻塞处动脉多位于静脉之上,眼底及FFA检查可见4种不同的临床类型,主要的并发症为黄斑水肿.MBRVO患者的FAZ面积较正常人明显扩大(P＜0.05). 结论 MBRVO有其自身特点,临床表现多样,FAZ的面积较正常人明显扩大.
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