Abstract
Background: Macular edema is the major cause of decreased vision in patients with diabetes. Antioxidative and anti-inflammatory effects of photobiomodulation (PBM) have been reported with near-infrared irradiation. Objective: In this study, the efficacy and safety of PBM with near-infrared radiation in a patient with diabetic macular edema were assessed. Methods: We present the case of a 60-year-old man with diabetic macular edema responding to 670 nm light PBM alone. Results: After PBM, his vision improved and macular edema resolved on optical coherence tomography (OCT) findings without adverse events. In 16 months follow-up, visual acuity remained stable and OCT showed no evidence of recurrence of edema. Conclusions: Six hundred seventy nanometers light PBM can be potentially considered as a therapeutic method in diabetic patients with macular edema. Also, it provides a noninvasive and nonexpensive treatment in home.
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