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  Indian J Med Microbiol
 

Figure 1: (a) Light micrograph of the well-organized control retina. (b) 1WDR: Showed edema in-between the outer segment of photoreceptors (arrow) and slight disorganization of the photoreceptors. (c) 2WDR: Severe disorganization of photoreceptors. (d) 4WDR: Edema in the outer segments (yellow arrow) and severe disorganization in the photoreceptors layer. (e) 6WDR: Edema of the outer segment of photoreceptor (yellow arrows), severe degeneration of photoreceptors with hollow spaces between them (red stars) and edema and thick-wall capillary in the outer plexiform layer (black arrow). RPE: Retinal pigmented epithelium, PRL: Photoreceptor layer, OPL: Outer plexiform layer, INL: Inner nuclear layer, NFL: Neurofilament layer, 1WDR: One-week diabetic retinopathy (Toluidine blue, scale bar: 20 μm)

Figure 1: (a) Light micrograph of the well-organized control retina. (b) 1WDR: Showed edema in-between the outer segment of photoreceptors (arrow) and slight disorganization of the photoreceptors. (c) 2WDR: Severe disorganization of photoreceptors. (d) 4WDR: Edema in the outer segments (yellow arrow) and severe disorganization in the photoreceptors layer. (e) 6WDR: Edema of the outer segment of photoreceptor (yellow arrows), severe degeneration of photoreceptors with hollow spaces between them (red stars) and edema and thick-wall capillary in the outer plexiform layer (black arrow). RPE: Retinal pigmented epithelium, PRL: Photoreceptor layer, OPL: Outer plexiform layer, INL: Inner nuclear layer, NFL: Neurofilament layer, 1WDR: One-week diabetic retinopathy (Toluidine blue, scale bar: 20 μm)