Table 2. Comparisons between groups with visual improvement and with no improvement.

Groups	Age (a)	AL (mm)	Baseline IOP (mm Hg)	Mean cup/disk ratio	Mean days of shallow AC
Non-improvement	43.87±11.53	21.18±0.79	45.00±10.76	0.93	107.45
Improvement	48.04±13.27	21.17±0.85	39.83±13.28	0.78	6.33
P	0.325	0.982	0.2156	<0.001	<0.01