正常黄斑有一约0.5mm的无血管区,其周围为视网膜毛细血管构成的网状拱环,在此区域出现视网膜血管变异分支的现象非常罕见。现遇1例,报告如下。 患者 女,42岁,因发现糖尿病半年及左眼偶有视物不清于1989年11月21日来我院眼科就诊。眼部情况:视力右眼5.2(1.5),左眼5.1(1.2),双眼近视力+1.5D球=J_1。双眼外眼及屈光间质正常,眼底见双眼视乳头正常,右视网膜血管走行及比例正常,黄斑中心凹反光可见,后极及周边视网膜可见散 There is a normal macula about 0.5mm avascular zone, the surrounding retinal capillaries constitute a mesh arch ring in this area retinal vascular branch of the phenomenon is very rare. In 1 case, the report is as follows. Female, 42 years old, because of the discovery of diabetes for six months and the left eye occasional blurred vision on November 21, 1989 to our hospital ophthalmology. Eye conditions: right eye 5.2 (1.5), left eye 5.1 (1.2), binocular vision + 1.5D ball = J_1. Binocular eyes and refractive normal, fundus see binocular optic nerve normal, normal retinal blood vessels and the proportion of normal foveal reflex visible, posterior pole and the surrounding retina visible scattered