Assessment of Anterior Segment Changes in Pseudophakic Eyes, Using Ultrasonic Biomicroscopic Imaging, after Pars Plana Vitrectomy with Silicone Oil or Gas Tamponade
Table 4
Comparison of the between-groups preoperative and postoperative parameters of the anterior segment and the angle of the temporal quadrant and IOP.
Pre
Post
Group 1
Group 2
Group 1
Group 2
ACD, mean SD (mm)
3.37 0.76
3.55 0.39
0.310
3.36 0.67
3.29 0.40
0.681
TIA (°), mean SD
24.77 9.6
33.12 8.74
0.002
27.44 7.2
31.37 5.99
0.041
CBT 1, mean SD (mm)
1.11 0.23
1.13 0.21
0.695
1.07 0.18
1.05 0.25
0.767
CBT 2, mean SD (mm)
0.72 0.22
0.67 0.23
0.481
0.71 0.23
0.59 0.17
0.039
CBT 3, mean SD (mm)
0.55 0.19
0.50 0.14
0.106
0.58 0.24
0.35 0.09
0.000
CBT Max, mean SD (mm)
1.28 0.19
1.23 0.24
0.482
1.23 0.21
1.13 0.22
0.126
ST, mean SD (mm)
0,94 0.08
0.94 0.07
0.948
1.02 0.09
0.97 0.14
0.094
T-CPD, mean SD (mm)
1.43 0.19
1.41 0.14
0.762
1.34 0.12
1.31 0.11
0.349
I-CPD, mean SD (mm)
0.95 0.17
0.96 0.19
0.862
0.87 0.16
0.84 0.12
0.528
IOP, mean SD (range) (mmHg)
11.68 2.86 (7–18)
14.10 2.30 (10–18)
0.002
18.92 2.23 (14–22)
12.81 2.74 (9–19)
0.000
ACD: anterior chamber depth; LT: lens thickness; TIA: trabecular meshwork-iris angle; CBT 1, 2, and 3: ciliary body thicknesses 1, 2, and 3 mm, CBT Max: maximum ciliary body thickness; ST: sclera thickness; T-CPD: trabecular meshwork-ciliary process distance; I-CPD: iris-ciliary process distance; SD: standard deviation; independent samples -test.