Table 1. Comparison of Doppler parameters of the central retinal artery (CRA) and ophthalmic artery (OA) in both eyes of POAG and non-glaucomatous group.

Arteries	Doppler Parameters	POAG Group (mean ± SD)	Non-glaucomatous Group (mean ± SD)	95% CI of difference between means	p- value
Right EyeOA	PSV (cm/s)	28.33± 3.25	42.31± 6.84	11.85 - 16.10	<0.001
	EDV (cm/s)	5.66 ± 2.06	16.08 ±3.62	9.26 – 11.60	<0.001
	RI	0.80± 0.06	0.61± 0.08	0.17 – 0.22	<0.001
CRA	PSV (cm/s)	11.67± 1.02	16.92 ±2.73	4.43 – 6.06	<0.001
	EDV (cm/s)	1.88± 0.79	6.83± 1.60	4.44 – 5.45	<0.001
	RI	0.84 ± 0.06	0.60 ± 0.04	0.22 – 0.26	<0.001
Left eye
OA	PSV (cm/s)	28.25 ± 3.39	41.58 ± 6.11	11.37 –15.29	<0.001
	EDV (cm/s)	5.60 ± 2.06	16.08 ± 3.05	9.34 – 11.62	<0.001
	RI	0.81 ± 0.05	0.62 ± 0.04	0.17 – 0.21	<0.001
CRA	PSV (cm/s)	11.72 ± 1.13	17.06 ± 2.96	4.46 – 6.23	<0.001
	EDV (cm/s)	1.86 ± 0.79	6.74 ± 1.60	4.38 – 5.38	<0.001
	RI	0.85± 0.06	0.61 ± 0.04	0.22 – 0.25	<0.001
SD = Standard Deviation CI= Confidence Interval