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Br J Ophthalmol 89:489-492 doi:10.1136/bjo.2004.052498
  • Clinical science
    • Extended reports

Correlation between retinal nerve fibre layer thickness and optic nerve head size: an optical coherence tomography study

Table 2

 Correlation between RNFL thickness and ONH parameters

RNFL thickness Optic disc area Cup area Rim area Vertical C:D ratio Horizontal C:D ratio Vertical diameter Horizontal diameter
RNFL, retinal nerve fibre layer; ONH, optic nerve head.
C:D ratio, cup:disc ratio.
360° average R = 0.4985 R = 0.0951 R = 0.4024 R = 0.0879 R = 0.0610 R = 0.4454 R = 0.4301
p = 0.0001 p = NS p = 0.0026 p = NS p = NS p = 0.0007 p = 0.0012
Temporal quadrant R = 0.2026 R = −0.1263 R = 0.2952 R = −0.1537 R = −0.2067 R = 0.1838 R = 0.1599
p = NS p = NS p = 0.0302 p = NS p = NS p = NS p = NS
Superior quadrant R = 0.3822 R = −0.003 R = 0.3474 R = 0.0677 R = 0.0395 R = 0.3774 R = 0.2971
p = 0.0043 p = NS p = 0.0101 p = NS p = NS p = 0.0049 p = 0.0291
Nasal quadrant R = 0.3024 R = 0.1552 R = 0.1274 R = 0.1485 R = 0.1505 R = 0.1490 R = 0.2752
p = 0.026 p = NS p = NS p = NS p = NS p = NS p = 0.044
Inferior quadrant R = 0.4048 R = 0.1160 R = 0.3199 R = 0.0424 R = 0.0301 R = 0.2793 R = 0.3970
p = 0.0024 p = NS p = 0.0184 p = NS p = NS p = 0.0408 p = 0.0030

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