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Halmholtz(1850)发明眼底镜不久,视网膜分枝静脉阻塞即被了解。Leber(1877)首次报导视网膜分枝静脉阻塞的临床症状。Jensen(1936)总结视网膜分枝静脉阻塞预后较视网膜中央静脉阻塞为好,尔后相继有报导,一般未经治疗的病例,观察一年,最后视力为0.5或更好的占53～60%。此研究未区分出黄斑部分枝静脉阻塞的类型,绝大多数静脉分枝阻塞侵犯颞上、颞下主枝静脉,阻塞部经常发生于视乳头附近视网膜动静脉交叉处。黄斑部分流的小静脉分枝阻塞局限于颞上下枝静脉之间,该类型静脉阻塞的临床所见与
Halmholtz (1850) invented the ophthalmoscope shortly after retinal vein occlusion that is understood. Leber (1877) first reported the clinical symptoms of retinal vein occlusion. Jensen (1936) concluded that the prognosis of retinal vein occlusion was better than that of central retinal vein occlusion and was reported afterwards. In general, untreated cases were observed for one year, with a final visual acuity of 0.5 or better accounting for 53-60%. This study did not distinguish between the type of macular branch vein occlusion, the vast majority of venous branch occlusion infringe the temporomandibular superior main vein, obstruction often occurs in the retina near the retinal artery and vein intersections. Macular partial flow of small vein branch blockage is confined to the temporal superior and inferior branches of the vein, the clinical findings of this type of venous obstruction and