视网膜霜枝样血管炎 (frosted branch angiitis)是由日本眼科医生伊藤 (Ito)等 〔1〕于 1976年首先报道的一种视网膜血管疾病 ,该病人为一 6岁的葡萄膜炎患儿 ,因眼底表现为严重的视网膜血管鞘 ,犹如冬日树上的霜枝 (frosted branch)而得名。随后 Watanabe等 〔2〕和 Kleiner等 Retinal frost-like angiitis (frosted branch angiitis) by the Japanese ophthalmologist Ito (Ito) [1] first reported in 1976, a retinal vascular disease, the patient is a 6-year-old children with uveitis, The fundus appears as a severe retinal vascular sheath, named after the frosted branch of a winter tree. Then Watanabe et al [2] and Kleiner et al