Table 2 Percentile distribution of interocular differences (right eye–left eye) in optical coherence tomography parameters between the right and left eyes (n = 310).
From: Interocular symmetry of optical coherence tomography parameters in healthy children and adolescents
Mean ± SD (range) | Percentile | ||||
|---|---|---|---|---|---|
2.5th | 5th | 95th | 97.5th | ||
RNFL thickness (µm) | |||||
Average | 0.5 ± 5.1 (− 21.0 to 16.0) | − 9.0 | − 8.0 | 9.0 | 11.0 |
Quadrant | |||||
Superior | − 3.8 ± 12.1 (− 45.0 to 41.0) | − 29.5 | − 25.5 | 14.5 | 19.2 |
Nasal | 3.6 ± 8.0 (− 17.0 to 33.0) | − 13.0 | − 9.0 | 17.0 | 20.0 |
Inferior | 0.0 ± 11.3 (− 40.0 to 31.0) | − 26.5 | − 19.0 | 17.0 | 20.5 |
Temporal | 2.7 ± 7.9 (− 27.0 to 29.0) | − 14.0 | − 9.5 | 18.0 | 19.2 |
ONH parameters | |||||
Rim area (mm2) | − 0.03 ± 0.13 (− 0.33 to 0.43) | − 0.29 | − 0.22 | 0.21 | 0.27 |
Disc area (mm2) | − 0.04 ± 0.23 (− 1.01 to 0.76) | − 0.59 | − 0.44 | 0.31 | 0.36 |
Average cup-to-disc ratio | 0.00 ± 0.09 (− 0.33 to 0.37) | − 0.21 | − 0.16 | 0.16 | 0.18 |
Vertical cup-to-disc ratio | 0.01 ± 0.09 (− 0.30 to 0.40) | − 0.23 | − 0.14 | 0.16 | 0.18 |
Cup volume (mm3) | 0.000 ± 0.077 (− 0.264 to 0.234) | − 0.185 | − 0.144 | 0.132 | 0.166 |
GCIPL thickness (µm) | |||||
Average | − 0.2 ± 1.8 (− 9.0 to 6.0) | − 4.0 | − 3.0 | 3.0 | 4.0 |
Minimum | − 0.2 ± 2.1 (− 6.0 to 8.0) | − 4.0 | − 4.0 | 4.0 | 4.2 |
Superotemporal | − 0.2 ± 2.6 (− 9.0 to 15.0) | − 5.0 | − 4.0 | 3.0 | 4.0 |
Superior | − 0.6 ± 2.8 (− 12.0 to 11.0) | − 6.0 | − 5.0 | 4.0 | 5.0 |
Superonasal | − 0.9 ± 2.7 (− 12.0 to 10.0) | − 7.0 | − 6.0 | 3.0 | 4.0 |
Inferonasal | 0.3 ± 3.0 (− 12.0 to 10.0) | − 6.0 | − 4.5 | 4.0 | 5.2 |
Inferior | 0.1 ± 3.3 (− 13.0 to 10.0) | − 6.0 | − 5.0 | 6.5 | 8.0 |
Inferotemporal | 0.0 ± 2.8 (− 11.0 to 14.0) | − 6.0 | − 4.0 | 4.0 | 5.0 |
