Table 4. Correlation between HVF and VA, CSF Pressure, Swollen optic disc, CD4 count and VEP in 47 patients.

		HVF of Right Eye		p value	HVF of Left Eye		P value
		n = 47			n = 45
		Normal	Abnormal		Normal	Abnormal
Visual Acuity	Normal	10	1	0.03	11	2	0.5
		(90.9%)	(9.1%)		(84.6%)	(15.4%)
	Abnormal	19	17		22	10
		(52.8%)	(47.2%)		(68.8%)	(31.2%)
CSF Pressure	Normal	2	9	0.9	4	8	0.4
	Elevated	8	25		6	24
Swollen optic disc	No	7	4	0.9	9	4	0.8
	Yes	22	13		20	11
CD4 count	<50	4	19	0.7	4	18	0.14
	50–100	3	9		5	6
	101–199	0	2		0	2
	>200	1	0		1	0
VEP latency	Normal	10	10	0.001	9	10	0.0049
	Abnormal	1	20		4	19
VEP amplitude	Normal	5	6	0.1	3	6	0.1
	Abnormal	6	24		10	23

HVF – Humphrey's visual field, VEP – Visual evoked potential, Visual Acuity refers to Best Corrected Visual Acuity.