VEGFA and diabetes mellitus: The level of vitreous VEGF increased from CTL (100.0 ± 30.5%) to DM (137.0 ± 36.8%) to DR (560.2 ± 239.5%) but no significant difference was found between the groups (CTL vs. DM: p > 0.9999; CTL vs. DR: p = 0.1023; DM vs. DR: p = 0.2311) (Figure 8B).