CLU and open-angle glaucoma: The mean AH clusterin levels were 286.79±29.64 μg/ml (range: 209–329 μg/ml) in the PEXG group, 263.92±31.70 μg/ml (range: 210–319 μg/ml) in the PEX group, 272.59±49.71 μg/ml (range: 168–356 μg/ml) in the POAG group, and 193.50±62.38 μg/ml (range: 102–310 μg/ml) in the control group.