IL6 and macular retinal edema: In a previous study, Won June Lee et al. reported that aqueous levels of IL-6 in the BRVO with macular edema (BRVO-ME) group were not significantly different when compared with controls and were significantly lower when compared with the levels in the diabetic macular edema group, which indicates that the role of inflammation in BRVO-ME is less influential than in DME [21].