Kang HM, et al. - The changes in peripapillary choroidal thickness over 12 months were comprehensively analyzed by the experts in patients with branch retinal vein occlusion (BRVO), via spectral-domain optical coherence tomography with enhanced depth imaging. A marked decrease was found in the thickness of peripapillary choroid over 12 months in the affected eyes and nonaffected eyes among patients with unilateral BRVO.