Open Label Study to Assess the Efficacy and Safety of AKB-9778 in Subjects With Macular Edema Due to RVO

Subjects will participate in the study for up to 168 days. Up to 20 subjects will be enrolled in the study. Subjects will self-administer study medication as subcutaneous (SC) injections in the abdomen (preferably) twice per day; the first dose each day should be administered in the morning and the evening dose should be administered within 8 to 16 hours after the morning dose. Safety assessments will be conducted at each study visit during treatment and AEs will be collected throughout the Treatment period and during the 56-days observation period visits.