Post hoc analyses of @ phase @ clinical trials assessing efficacy and safety of ranibizumab in patients with branch RVO ( Ranibizumab for the Treatment of Macular Edema following Branch Retinal Vein Occlusion : Evaluation of Efficacy and Safety -LSB- BRAVO -RSB- study ; NCT@ ) and central RVO ( Ranibizumab for the Treatment of Macular Edema after Central Retinal Vein Occlusion Study : Evaluation of Efficacy and Safety -LSB- CRUISE -RSB- ; NCT@ ) over @ months .