A,B,C: Cultured human Tenon's fibroblasts growing out of the primary tenon's tissue under 100× magnification; D,E,F: Fibroblasts treated with increased concentration of olmesartan (0.75 µmol/mL, 1.5 µmol/mL, 2 µmol/mL) in MTT with 100× magnification; G,H,I: Fibroblasts in control, 1.25 µmol/mL, 1.5 µmol/mL olmesartan treated fibroblasts in MTT with 200× magnification.