Inclusion Criteria:  Patients with macular edema secondary to BRVO and CRVO. Presence of macular edema >3oo μ on OCT evaluation. visual acuity of +0.3 logarithm of the minimum angle of resolution (logMAR) or worse.  Exclusion Criteria:  Presence of coexisting retinal disease (such as diabetic retinopathy, age related macular degeneration, vitreo-macular traction, or epiretinal membrane). Media opacities (cataract) that could decrease visual acuity (VA). Previous ocular trauma or vitreoretinal surgery. Patients with glaucoma or known to be steroid responders