病例1男性,55岁。以糖尿病肾病在我院内分泌科住院治疗,使用低分子量肝素钙注射液4U,每日1次腹部皮下注射,治疗后第10天,因“右眼视物遮挡半日”眼科会诊。视力:右0.5;左0.8,眼前段未见异常。右眼视网膜下方大片视网膜前出血,颜色鲜红,边界清晰,双眼后极部视网 Case 1 male, 55 years old. With diabetic nephropathy in our hospital, Department of Endocrinology, inpatient treatment, the use of low molecular weight heparin injection 4U, 1 times daily abdominal subcutaneous injection, the first 10 days after treatment, due to “right eye occlusion half day ” ophthalmology consultation. Visual acuity: right 0.5; left 0.8, anterior segment no abnormalities. Large retinal pre-retinal hemorrhage under the right eye, bright red color, clear borders,