Table 4.

Visual field categorization (based on the severity of defects) in the hearing impairment and control groups, and the visual field categorization by severity and time of onset of hearing loss for the boys in the hearing impairment group

VF Status	Abnormal						Normal
	Moderate		Severe		Deep
	Congenital	Acquired	Congenital	Acquired	Congenital	Acquired
Normal	4 (6.2)	-	10 (15.6)	2 (3.1)	11 (17.2)	-	48 (70.5)
Abnormal
Mild	1 (1.6)	-	3 (4.7)	3 (4.7)	10 (15.6)	-	12 (17.6)
Moderate	1 (1.6)	-	2 (3.1)	-	3 (4.7)	1 (1.6)	6 (8.8)
Severe	-	-	5 (7.8)	1 (1.6)	7 (10.9)	-	2 (2.9)
Total	6 (9.4)	-	20 (31.2)	6 (9.4)	31 (48.4)	1 (1.6)	68 (100)

Data in table are presented as No. (%).