ERFE and type 2 diabetes mellitus: T2DM patients showed lower serum and aqueous humor myonectin concentrations compared with healthy controls [serum myonectin: 261.79 (216.96–318.81) ng/mL vs. 342.04 (280.19–396.5) ng/mL, P < 0.001; aqueous humor myonectin: 131.84 (111.26–162.28) ng/mL vs. 190.98 (159.62–224.69) ng/mL, P < 0.001].