Table 2. Relationship between mean IOP and the Doppler parameters of the central retinal artery (CRA) and the ophthalmic artery (OA) in both eyes of POAG group.

Arteries	Doppler Parameters	Pearson Correlation Coefficient (r)	p-value
Right eye
OA	PSV (cm/s)	-0.906	0.02
	EDV (cm/s)	-0.908	0.03
	RI	0.863	0.02
CRA	PSV (cm/s)	-0.718	0.01
	EDV (cm/s)	-0.894	0.02
Left eye
OA	RI	0.902	0.01
	PSV (cm/s)	-0.873	0.03
	EDV (cm/s)	-0.858	0.02
CRA	RI	0.812	0.02
	PSV (cm/s)	-0.681	0.01
	EDV (cm/s)	-0.882	0.01
	RI	0.876	0.01