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Hematoxylin and eosin staining section. With the establishment of central retinal vein occlusion (CRVO) model, the pathological changes of retina were remarkable. A: This image shows the normal retina structure. B: This image shows interstitial edema of the retina 7 days after photocoagulation. C: This image shows disordered retinal structure 24 weeks after photocoagulation.
