Advances in the treatment of macular edema secondary to retinal vein occlusion

Retinal vein occlusion (RVO) is a common blinding retinal vascular disease, and the most important complication of vision loss is macular edema (ME). The main treatment for ME secondary to RVO was laser photocoagulation therapy previously, but some researches showed that the laser therapy did not see an obvious curative effection, and might cause certain danger in some patients.In recent years, with the further understanding and research of the pathogenesis of RVO, intravitreal injection or posterior subtenon injection of triamcinolone acetonide and anti-vascular endothelial growth factor drugs like ranibizumab, bevacizumab, aflibercept, conbercept intravitreal injections, as well as vitreous retinal surgery gradually became the main research directions of ME secondary to RVO.The following to be a review for the advances in the treatment of macular edema secondary to RVO.