Clinical Study

Measurement of Photoreceptor Layer in Glaucoma: A Spectral-Domain Optical Coherence Tomography Study

Table 2

Mean ± standard deviation (SD), repeatability coefficient, within-subject coefficient of variation ( ), and intraclass correlation coefficient (ICC) of outer nuclear layer (ONL) and inner and outer segments (IS/OS) thicknesses in a random sample of 30 normal subjects.

Mean ± SD (μm)Repeatability coefficient (μm) (95% CI) (%) (95% CI)ICC (95% CI)

ONL Thickness98.22 ± 15.478.470 (7.296–9.644)3.11 (2.56–3.67)0.964 (0.936–0.982)
IS/OS thickness59.60 ± 7.228.134 (7.007–9.262)4.93 (4.05–5.81)0.821 (0.701–0.903)

95% CI: 95% confidence interval.