摘要
用暗视视网膜电图(ERG)检测了眼底有drusen的早期老年性黄斑变性(AMD)患者42例(56眼)和正常对照组50例(50眼)。结果与正常对照组相比,发现早期AMD有a波峰时和幅值异常。红光ERG的a波谷数减少(P<0.005),而兰光ERG改变不显著(P>0.05)。同时还发现,红光ERG的改变与视力、病变部位、类型有关.提示:暗视ERG可作为AMD早期的检测手段之一。
42 cases (56 eyes )in patients with early age - relat-ed macular degeneration (AMD ) with drusen and 50normal subjects (50 eyes ) were examined with scotopic f1ash electrol -retinogram. The result showed that both a -wave impicit time and amplitude were anormal,and a -waves in the red-ERG but blue - ERG decresed in the patients with early AMD as compared with normal cont rol group. the difference between the groups being significant statistically (P<0. 05 ). It was also found the changes of the red - ERG correlated with the visual acute, the sited and types of injvred. Thus, ERG may provide a means for early diagnosis of AMD.
出处
《临床眼科杂志》
1994年第1期5-6,共2页
Journal of Clinical Ophthalmology
关键词
暗视
视网膜电图
黄斑变性
老年人
Age-related macular degeneration,electroretinogram,early diagnosis