Stagnation is a pathological factor and is closely related to a variety of fundus diseases,such as retinal edema,optic neuritis,central serous retinal choroidal lesions,retinitis pigmentosa,retinal vein inflammation,retinal artery occlusion,diabetic retinopathy,retinitis pigmentosa,optic neuritis and optic atrophy.This article explored the relationship between stagnation and fundus diseases and the ...