In contrast, the addition of PROS1 significantly enhanced phagocytic activity, increasing the proportion of fluorescent hMDMs to 48.6% ± 18.0% in healthy controls (p < 0.05, Figure 3H1) and 44.5% ± 18.7% in SCD patients (p < 0.01, Figure 3H2). Here, PROS1 is linked to Schnyder corneal dystrophy.