IL6R and Schnyder corneal dystrophy: When further discriminating ECD, donors conserved in static or perfused conditions (Figures 2A–H), IL6-R levels were found to be significantly higher in the preservation fluid of ECD donors conserved in static conditions (median value: 761 pg/mL) when compared with SCD donors (median value: 420 pg/mL) and tended to be higher than the values observed in ECD donors conserved in HMP (541ng/mL, Figure 2B).