黄斑前出血是增生性糖尿病视网膜病变、高血压病及外伤的常见并发症 ,常引起严重的视力下降。大多数黄斑前出血是在部分玻璃体后脱离情况下发生的 ,出血位于视网膜内界膜下或与玻璃体后界膜直接接触。这类出血需很长时间才能吸收。在增生性糖尿病视网膜病变 ,可发生迅速的新生 Macular hemorrhage is a common complication of proliferative diabetic retinopathy, hypertension and trauma, often causing severe vision loss. Most of the pre-macular hemorrhage occurs after partial posterior vitreous detachment, with the hemorrhage located either directly beneath the inner limiting membrane of the retina or directly touching the posterior limiting membrane of the vitreous. This type of bleeding takes a long time to absorb. In proliferative diabetic retinopathy, rapid remissions can occur