Nephropathy may be an independent and contributory risk factor for diabetic macular edema (DME). A 69-year-old man who had previously been treated with panretinal laser photocoagulation for proliferative diabetic retinopathy as well as with steroid and anti-vascular endothelial growth factor injections for DME declined additional treatment for the DME, which was worse in the right eye. The DME was observed without further treatment for the next 36 months. Despite wellcontrolled blood sugar, blood pressure, and lipid levels, the DME remained unchanged. Peritoneal dialysis was started due to end-stage renal disease. Three months after commencing dialysis, the DME improved significantly.
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