Table 1 Correlation between pulsatile ocular blood flow and colour Doppler imaging measures.

Retrobulbar	PSV		EDV		RI		PSV‐EDV (pulse amplitude)
arteries	r	p	r	p	r	p	r	p
OA	0.002	0.995	0.151	0.502	0.102	0.652	0.042	0.853
CRA	0.556	0.007*	0.016	0.943	0.412	0.057	0.601	0.003*
TSPCA	0.483	0.023*	0.042	0.853	0.445	0.038*	0.537	0.010*

CRA, central retinal artery; EDV, end diastolic velocity (cm/s); OA, ophthalmic artery; PSV, peak systolic velocity (cm/s); r, correlation coefficient; RI, Resistance index  =  ((PSV−EDV)/PSV); TSPCA, temporal short posterior ciliary artery

*p<0.05.