Fig. 3

Functional characterization of differentially expressed metabolites (DEMs) of aqueous humor from ME (a), DME (b), AMD-ME (c), and BRVO-ME (d) compared with the CON group. DME diabetic macular edema, AMD-ME macular edema of age-related macular degeneration, BRVO-ME macular edema of branch retinal vein occlusion, CON control group, ME macular edema