: To evaluate the ultra-widefield fluorescein angiography (UWFA) findings in patients with macular edema (ME) following cataract surgery.: Thirty-three eyes from patients who showed greater than a 30% increase in the central subfield thickness following cataract surgery were included. UWFA scored according to a system suggested by the Angiography Scoring for Uveitis Working Group (ASUWG). Factors associated with a high ASUWG score were evaluated.: Thirty-three (100.0%) of the 33 eyes showed abnormal UWFA findings, including optic disc staining (81.8%), capillary leakage (100.0%), pinpoint leakage (84.8%), peripheral retinal vascular leakage (24.2%) and retinal staining (6.1%). Multiple regression analysis reveals that following adjustment for other factors, younger age was independently associated with a higher ASUWG score (R = 0.476, = .001).: Patients with ME following cataract surgery show generalized inner and outer blood-retinal barrier breakage. Particular attention is required during cataract surgery in young patients.
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