Unexpected Swift Spontaneous Improvement of Macular Edema Following Central Retinal Vein Occlusion

Introduction: Retinal vein occlusion (RVO) is a significant contributor to retinal vascular disorders, often leading to complications such as macular edema (ME).In the present study, we report a patient with ME resulting from central retinal vein occlusion (CRVO), demonstrating spontaneous resolution within a brief timeframe without intervention.Case Report: A 60-year-old female with a history of hypertension and complaint about decreased vision in her right eye for one week prior to the visit was examined.Upon examination, CRVO with associated ME was diagnosed.While the patient was initially was candidate for immediate treatment with intravitreal bevacizumab injection, the ME spontaneously resolved within two weeks without any intervention. Conclusion:While cases of spontaneous recovery of ME secondary to RVO have been reported, our patient represents a unique instance of complete and rapid spontaneous resolution.It is hypothesized that the presence of thrombosis and partial obstruction in the central retinal vein led to CRVO and subsequent edema.The prompt alleviation of obstruction, facilitated by the vigorous activation of anticoagulant mechanisms and restoration of retinal venous blood flow to a physiological state, led to the resolution of retinal edema in this patient.