Research Article

The Effectiveness of Laser Peripheral Iridotomy in Adolescent Eyes with Ocular Hypertension and Concave Configuration of the Peripheral Iris

Table 1

Changes in parameters of the anterior segment: central corneal thickness (CCT), anterior chamber depth (ACD), and scleral spur angle (SSA) before and after the laser treatment.

Parameter on AS-OCTBefore LPIAfter LPI value

CCT-RE (µm)548 ± 43551 ± 450.565a
CCT-LE (µm)552 ± 42545 ± 360.18b
ACD-RE (mm)3.38 ± 0.293.39 ± 0.270.41a
ACD-LE (mm)3.35 ± 0.273.37 ± 0.220.53a
SSA in nasal quadrant-RE (°)54.54 ± 5.6246.58 ± 7.08<0.001a#
SSA in temporal quadrant-RE (°)49.29 ± 6.7344.29 ± 8.60.004a#
SSA in nasal quadrant-LE (°)53.42 ± 6.0248.92 ± 6.040.006a#
SSA in temporal quadrant-LE (°)52 ± 6.6943.63 ± 9.19<0.001a#

a value for the paired t-test, b value for the Wilcoxon signed-rank test, and #statistically significant differences at the 0.05 significance level.