“…Overall, reported risk factors include: APLA, [15][16][17][18][19] homocysteinemia, platelet over-responsiveness, 9,20 vasculitis, acute infections, inflammatory states, and optic pathway tumors. 3,11,[21][22][23][24][25][26][27] In some reports, more than one genetic abnormality was found in patients with RVO, suggesting synergistic interactions that may increase the risk.…”