Ultrasound Biomicroscopy Observation of Suspicious Primary Angle Closure Combined with the Relaxation of Zonule
Table 2
Comparison of parameters among 16 PACS with zonular relaxation, 34 PACS without zonular relaxation, and 50 normal.
PACS n = 50
Normal n = 50
valuea
PACS with zonular relaxation, n = 16
PACS without zonular relaxation, n = 34
PACS with zonular relaxation vs. PACS without zonular relaxation
PACS vs. normal
ACD
1.92 ± 0.26
1.78 ± 0.31
1.99 ± 0.20
2.86 ± 0.39
AL
24.66 ± 1.02
25.64 ± 0.62
24.20 ± 0.83
23.93 ± 0.82
h
1.95 ± 0.27
2.11 ± 0.24
1.88 ± 0.25
1.50 ± 0.26
STS
11.06 ± 0.64
11.28 ± 0.71
10.96 ± 0.58
10.87 ± 0.78
ACD/AL
0.08 ± 0.01
0.069 ± 0.01
0.08 ± 0.01
0.119 ± 0.02
h/STS
0.18 ± 0.02
0.187 ± 0.02
0.17 ± 0.03
0.138 ± 0.02
IZD
Superior
0.41 ± 0.10
0.37 ± 0.06
0.43 ± 0.11
0.55 ± 0.09
Nasal
0.38 ± 0.10
0.34 ± 0.08
0.40 ± 0.11
0.50 ± 0.09
Inferior
0.40 ± 0.08
0.36 ± 0.07
0.41 ± 0.08
0.50 ± 0.08
Temporal
0.36 ± 0.09
0.33 ± 0.06
0.38 ± 0.08
0.49 ± 0.08
AOD500
Superior
0.15 ± 0.07
0.15 ± 0.03
0.16 ± 0.08
0.29 ± 0.08
Nasal
0.20 ± 0.10
0.22 ± 0.07
0.19 ± 0.11
0.33 ± 0.10
Inferior
0.18 ± 0.07
0.20 ± 0.05
0.17 ± 0.08
0.31 ± 0.10
Temporal
0.21 ± 0.18
0.22 ± 0.07
0.18 ± 0.09
0.36 ± 0.10
TCPD
Superior
1.11 ± 0.12
1.07 ± 0.07
1.12 ± 0.123
1.40 ± 0.15
Nasal
1.11 ± 0.13
1.06 ± 0.08
1.14 ± 0.136
1.36 ± 0.15
Inferior
1.13 ± 0.12
1.09 ± 0.08
1.15 ± 0.131
1.39 ± 0.14
Temporal
1.09 ± 0.09
1.05 ± 0.72
1.11 ± 0.10
1.37 ± 0.14
TIA
Superior
18.06 ± 6.21
19.52 ± 5.39
17.37 ± 6.52
29.24 ± 7.53
Nasal
21.01 ± 9.65
23.83 ± 8.33
19.68 ± 10.05
33.29 ± 9.93
Inferior
18.89 ± 6.84
20.03 ± 5.75
18.35 ± 7.31
31.91 ± 7.99
Temporal
20.67 ± 9.30
23.89 ± 7.18
19.15 ± 9.88
35.01 ± 10.39
TCPA
Superior
67.64 ± 12.55
62.66 ± 10.04
69.99 ± 13.05
86.61 ± 12.64
Nasal
67.53 ± 12.33
63.11 ± 7.91
69.61 ± 13.55
87.12 ± 13.73
Inferior
69.63 ± 12.40
64.69 ± 7.95
71.96 ± 13.49
87.34 ± 14.17
Temporal
68.06 ± 10.74
62.44 ± 8.66
70.70 ± 10.71
87.41 ± 13.33
IT
Superior
0.39 ± 0.07
0.38 ± 0.05
0.40 ± 0.08
0.41 ± 0.07
Nasal
0.41 ± 0.08
0.41 ± 0.08
0.41 ± 0.07
0.43 ± 0.07
Inferior
0.43 ± 0.07
0.42 ± 0.08
0.44 ± 0.07
0.45 ± 0.09
Temporal
0.42 ± 0.07
0.42 ± 0.07
0.41 ± 0.07
0.44 ± 0.07
APCB
Superior
0.53 ± 0.08
0.62 ± 0.03
0.48 ± 0.04
0.33 ± 0.04
Nasal
0.54 ± 0.07
0.63 ± 0.04
0.50 ± 0.03
0.37 ± 0.05
Inferior
0.54 ± 0.07
0.63 ± 0.03
0.50 ± 0.03
0.38 ± 0.04
Temporal
0.55 ± 0.07
0.63 ± 0.03
0.51 ± 0.04
0.38 ± 0.04
ACD, central anterior chamber depth; AL, axial length; IZD, iris-zonule distance; AOD500, angle opening distance 500; TCPD, trabecular-ciliary process distance; TIA, trabecular-iris angle; TCPA, trabecular-ciliary process angle; IT, iris thickness; APCB, anterior placement of the ciliary body. Values, except for values, are expressed as mean ± standard deviation.
