Assessment of Anterior Segment Measurements with Swept Source Optical Coherence Tomography before and after Ab Interno Trabeculotomy (Trabectome) Surgery

Table 3

Intraobserver and interobserver reproducibility and repeatability measurement of angle parameters with the swept source OCT.

	Intergrader ICC (95% CI)	Intragrader ICC (95% CI)	Repeatability ICC (95% CI)
SS-AOD 500	0.927 (0.896–0.949)	0.958 (0.930–0.975)	0.977 (0.966–0.984)
SS-AOD 750	0.936 (0.909–0.956)	0.931 (0.885–0.959)	0.970 (0.957–0.979)
SS-TISA 500	0.915 (0.875–0.933)	0.912 (0.856–0.947)	0.964 (0.948–0.975)
SS-TISA 750	0.869 (0.833–0.945)	0.843 (0.749–0.904)	0.957 (0.938–0.970)
Trabecular cleft width	0.960 (0.938–0.975)	0.940 (0.920–0.950)	0.946 (0.940–0.960)

SS: scleral spur, AOD: angle opening distance, TISA: trabecular-iris space area, ICC: intraclass correlation coefficient, and CI: confidence interval.