Table 2

The correlation coefficient (r) of the circulatory parameters versus dioptry and axial length

DioptryAxial length
rp Valuerp Value
r = correlation coefficient; CRA =central retinal artery; CRV = central retinal vein; PCA = posterior ciliary artery; PSV = peak systolic velocity; EDV = end diastolic velocity; MV =mean velocity, RI = resistivity index ; *statistically significant.
CRA
    PSV0.55<0.0001−0.490.0002*
    EDV0.370.007−0.260.064
    MV0.54<0.0001−0.460.0005*
    RI0.290.034−0.340.013*
CRV
    PSV0.340.015−0.230.10
    EDV0.290.040−0.140.34
    MV0.330.018−0.170.25
    RI0.120.42−0.120.38
PCA
    PSV0.350.010−0.270.053
    EDV0.360.008−0.200.16
    MV0.390.003−0.270.054
    RI0.150.30−0.170.23