Central Retinal Vein Occlusion, also known as crvo, is related to macular retinal edema and neovascular glaucoma. An important gene associated with Central Retinal Vein Occlusion is MTHFR (Methylenetetrahydrofolate Reductase), and among its related pathways/superpathways are Signal Transduction and TGF-Beta Pathway. The drugs Dexamethasone and Dexamethasone acetate have been mentioned in the context of this disorder. Affiliated tissues include eye and retina, and related phenotypes are cystoid macular edema and macular cotton wool spot