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  Indian J Med Microbiol
 

Figure 5: Optical coherence tomography (OCT) of the macula in a patient with diabetic macular edema. On the presentation (top), the patient has severe macular edema with retinal thickening and intraretinal fluid, shown in red on the OCT map to the right. Exact thickness measurements are also shown using a 9-field Early Treatment of Diabetic Retinopathy Study (ETDRS) map. After the first injection of ranibizumab (middle), the retinal edema improves on OCT and the change is quantified by looking at the OCT macular thickness maps, with the central field thickness decreasing from 581 μ to 405 μ on the ETDRS map. After 6 injections, the OCT shows resolution of fovea macular edema with the central field thickness returning to a normal level compared to age-matched controls (turning from red to green on the ETDRS map), showing an excellent overall response to treatment

Figure 5: Optical coherence tomography (OCT) of the macula in a patient with diabetic macular edema. On the presentation (top), the patient has severe macular edema with retinal thickening and intraretinal fluid, shown in red on the OCT map to the right. Exact thickness measurements are also shown using a 9-field Early Treatment of Diabetic Retinopathy Study (ETDRS) map. After the first injection of ranibizumab (middle), the retinal edema improves on OCT and the change is quantified by looking at the OCT macular thickness maps, with the central field thickness decreasing from 581 μ to 405 μ on the ETDRS map. After 6 injections, the OCT shows resolution of fovea macular edema with the central field thickness returning to a normal level compared to age-matched controls (turning from red to green on the ETDRS map), showing an excellent overall response to treatment