Sourced of - Drbeen Medical Lectures - https://www.youtube.com/watch?v=TNW5Re8G420 Risk assessment of retinal vascular occlusion after COVID-19 vaccination | npj Vaccines https://www.nature.com/articles/s41541-023-00661-7/#Abs1 Hazard Ratio: Interpretation & Definition - Statistics By Jim https://statisticsbyjim.com/probability/hazard-ratio/ Antibody‐mediated platelet activation in COVID‐19: A coincidence or a new mechanism of the dysregulated coagulation system? - Journal of Thrombosis and Haemostasis https://www.jthjournal.org/article/S1538-7836%2822%2900753-X/fulltext Central Retinal Vein Occlusion - Prevent Blindness North Carolina https://nc.preventblindness.org/central-retinal-vein-occlusion/ Platelet factor 4 - Wikipedia https://en.wikipedia.org/wiki/Platelet_factor_4 Vision improvement is long-lasting with treatment for blinding blood vessel condition | National Institutes of Health (NIH) https://www.nih.gov/news-events/news-releases/vision-improvement-long-lasting-treatment-blinding-blood-vessel-condition#:~:text=Retinal%20vein%20occlusion%20is%20one,significant%20and%20permanent%20vision%20loss