Pathological changes in the cellular structures of retina and choroidea in the early stages of alloxan-induced diabetes

Figure 1 Back of the eye of a control animal. A: Light microscopy visualization of the retina. v: blood vessels; B: Electron microscopy of the outer layers of the retina; C: Light microscopy of the choroid and sclera of the eye. v: choroid vessels; RPE: pigment epithelium of the retina; D: Electron microscopy of the retinal pigment epithelium and choroid. v: choroid vessels; Light microscopy: staining with hematoxylin and eosin, magnification × 400, bar 50 μm; Electron microscopy: bar 10 μm.