“…COVID-19 may cause damage to neural structures due to autoimmune ways by activating immune pathways or because of vascular complications that may affect the vasa nervorum. So far, 5 cases of developing tonic pupils after COVID-19 have been reported ( Table 2 ) [ 2 - 6 ]. And 3 were unilateral, like our case [ 2 - 4 ].…”