Panovska-Stavridis, I. A Rare Case of Superior Ophthalmic Vein Thrombosis and Thrombocytopenia Following ChAdOx1 NCoV-19 Vaccine Against SARS-CoV-2: Ophthalmic Vein Thrombosis Following Covid. Mediterr J Hematol Infect Dis 2021, 13, e2021048.