Table 2
Efficacy—IOP summary, long term
No
IOP (mm Hg)
Mean
SD
Median
Min
Max
Before
26
24.5
5.0
24
17
40
1st year
25
15.3
3.1
15
7
22
2nd year
18
16.7
2.7
17
13
25
3rd year
9
18.6
5.1
17
13
28
4th year
4
16
6.9
18
6
22