Multiple factors cause retinal ischemia-reperfusion injury,including the injury effect of oxygen-derived free radicals,intracellular calcium overload,the action of leucocyte and apoptosis.

• 视网膜缺血再灌注损伤是多因素综合作用的结果,主要包括氧自由基的损伤作用,细胞内的钙超载现象,白细胞作用以及细胞凋亡等。