目的探讨不同种族视网膜静脉阻塞(retinal vein occlusion,RVO)的患病率及与RVO有关的心血管系统、炎症和血液系统的危险因素。方法本文采用以种族为基础的横断面研究。选取美国6个社区包括白种人、黑人、西班牙人、中国人在内的共6147人为研究对象。RVO依据双眼眼底照相确诊。 Objective To investigate the prevalence of retinal vein occlusion (RAO) in different races and the risk factors of cardiovascular system, inflammation and blood system related to RVO. Methods This article uses race-based cross-sectional studies. A total of 6147 people from 6 communities in the United States, including Caucasians, Negroes, Hispanics and Chinese, were selected as research subjects. RVO confirmed by binocular fundus photography.