Fig. 5From: Exploration of the mechanisms underlying the beneficial effect of Luo Tong formula on retinal function in diabetic rats via the “gut microbiota–inflammation–retina” axisEffect of LTF and CaD on the BRB permeability and retinal thickness. A Evans blue exudation of different groups. B HE staining of retina (×400). C The retinal thickness. Data are expressed as mean ± SD (n = 3–4) (*p < 0.05: vs. normal control group; △p < 0.05: vs. diabetic control group)Back to article page