Retinal vasculitis is always involved retinal vein, but retinal artery is involved less.Increased blindness rate is concerned.Therefore, the meaning of active prevention and core is very important.

• 摘要视网膜血管炎主要累及青壮年视网膜静脉，动脉累及较少，致盲率较高积极防治此病意义重大。