“…Over years of accurate reporting of PAMM cases, the spectrum of potential causative factors has expanded to several dozen systemic disorders, external factors, and drugs. This includes sickle cell disease [20,21]; giant-cell arteritis [22,23]; embolic events, including those after filler injections [24,25]; and different ocular procedures, such as vitrectomy [26]. Other sporadic factors include migraine [27], viral infections [28], and COVID-19 [29].…”