The levels of three proteins, APOA1 (FC = 1.17; p = 0.01), APOC3 (FC = 1.25; p = 0.02), and APOD (FC = 1.13; p = 0.04), were significantly higher in POAG patients as compared to cataract patients (Table 3). The gene discussed is APOC3; the disease is open-angle glaucoma.