“…CRVO has been reported in association with seropositive syphilis (136), ocular syphilis (137), Behçet's disease (138), tuberculosis (44), Crohn's disease (139), Reye's syndrome (140), migraine (20,32), mitral valve prolapse (141,142), cyanotic heart disease (143), and polycystic ovarian syndrome (144). It can occasionally occur after retrobulbar injections (29,31,145), cavernous sinus thrombosis (146), and in association with Moyamoya disease (147), psuedotumor cerebri (24), and acute posterior multifocal placoid pigment epitheliopathy (148).…”