肾炎、白血病、贫血、心脏病、急性传染病等多种疾病都可能引起视网膜血管的改变,造成眼底出血和玻璃体积血。妇产科常见的妊娠高血压综合症,也可通过眼底来了解其轻重程度,甚至决定是否需要中止妊娠,以保孕妇的安全。神经系统的疾病,尤其 Nephritis, leukemia, anemia, heart disease, acute infectious diseases and other diseases may cause retinal vascular changes, resulting in fundus bleeding and vitreous hemorrhage. Obstetrics and Gynecology common pregnancy-induced hypertension, but also through the fundus to understand the severity, and even decide whether the need to suspend the pregnancy in order to protect the safety of pregnant women. Nervous system diseases, especially