Table 2.
Interexaminer Reproducibility and Intereye Variability of Optic Nerve Parameters Measured with Handheld Optical Coherence Tomography
| Optic Nerve Parameter | Interexaminer Intraclass Correlation Coefficient | Intereye Intraclass Correlation Coefficient |
|---|---|---|
| Disc diameter | 0.915 (0.947) | 0.869 (0.892) |
| Cup diameter | 0.892 (0.925) | 0.793 (0.806) |
| Cup-to-disc ratio C/DOCT | 0.830 (0.896) | 0.741 (0.755) |
| BMO-MRW | ||
| Nasal | 0.980 (0.982) | 0.872 (0.834) |
| Temporal | 0.960 (0.979) | 0.717 (0.712) |
| Retinal thickness | ||
| Nasal | 0.923 (0.957) | 0.655 (0.636) |
| Temporal | 0.907 (0.921) | 0.793 (0.794) |
| RNFL | ||
| Nasal | 0.773 (0.657) | 0.736 (0.505) |
| Temporal | 0.681 (0.430) | 0.713 (0.607) |
BMO-MRW = Bruch's membrane opening–minimum rim width; RNFL = retinal nerve fiber layer.
Values in brackets are for participants younger than 4 years (n = 20). Of the 30 patients, 8 were younger than 1 year, 6 were 1–2 years of age, 6 were 2–4 years of age, and 10 were older than 4 years of age.