Table 2 Optic nerve parameters measured with 3 different imaging devices and their relationship with CH and CCT (Spearman’s correlation analysis, n = 108).
From: Relationship of corneal hysteresis and optic nerve parameters in healthy myopic subjects
Mean ± SD | CH | CCT | |||
|---|---|---|---|---|---|
r (CI95%) | p | r (CI95%) | p | ||
SD-OCT | |||||
Average RNFL thickness, um | 103.0 ± 8.5 | −0.15 (−0.33 to 0.04) | 0.13 | −0.09 (−0.27 to 0.1) | 0.33 |
Disc area, mm2 | 1.98 ± 0.50 | −0.09 (−0.27 to 0.10) | 0.37 | 0.11 (−0.08 to 0.29) | 0.25 |
Rim area, mm2 | 1.49 ± 0.30 | −0.10 (−0.28 to 0.09) | 0.29 | −0.06 (−0.25 to 0.13) | 0.53 |
Cup-disc area ratio | 0.43 ± 0.19 | −0.02 (−0.21 to 0.17) | 0.82 | 0.15 (−0.04 to 0.33) | 0.11 |
Vertical cup-to-disc ratio | 0.40 ± 0.19 | −0.03 (−0.22 to 0.16) | 0.75 | 0.17 (−0.02 to 0.35) | 0.08 |
Cup volume, mm3 | 0.14 ± 0.15 | −0.03 (−0.22 to 0.16) | 0.77 | 0.14 (−0.05 to 0.32) | 0.14 |
GDx ECC | |||||
TSNIT average | 57.93 ± 5.26 | 0.07 (−0.26 to 0.12) | 0.47 | 0.02 (−0.17 to 0.21) | 0.81 |
NFI | 13.58 ± 7.80 | −0.08 (−0.26 to 0.11) | 0.40 | −0.09 (−0.27 to 0.10) | 0.37 |
TSNIT sd | 29.33 ± 4.00 | 0.13 (−0.06 to 0.31) | 0.17 | 0.02 (−0.17 to 0.21) | 0.86 |
HRT2 parameters | |||||
Disc area, mm2 | 1.92 ± 0.57 | −0.01 (−0.18 to 0.20) | 0.91 | 0.15 (−0.04 to 0.33) | 0.13 |
Rim area, mm2 | 1.50 ± 0.30 | −0.01 (−0.18 to 0.20) | 0.93 | 0.14 (−0.05 to 0.32) | 0.14 |
Cup-disc area ratio | 0.19 ± 0.14 | 0.05 (−0.14 to 0.24) | 0.59 | 0.15 (−0.04 to 0.33) | 0.13 |
Vertical cup-to-disc ratio | 0.28 ± 0.21 | 0.08 (−0.11 to 0.26) | 0.39 | 0.13 (−0.06 to 0.31) | 0.17 |
Cup volume, mm3 | 0.08 ± 0.12 | 0.03 (−0.16 to 0.22) | 0.79 | 0.12 (−0.07 to 0.30) | 0.22 |
Rim volume, mm3 | 0.51 ± 0.14 | −0.11 (−0.29 to 0.08) | 0.24 | −0.04 (−0.23 to 0.15) | 0.67 |
Mean cup depth, mm | 0.20 ± 0.08 | −0.02 (−0.21 to 0.17) | 0.85 | 0.03 (−0.16 to 0.22) | 0.74 |
Cup area, mm2 | 0.42 ± 0.42 | 0.03 (−0.16 to 0.22) | 0.79 | 0.14 (−0.05 to 0.32) | 0.14 |