Table 4.

Visual Field Defects of the Study and Nonstudy Eyes of IIHTT Subjects at Study Entry by Superior and Inferior Hemifield

Classification	Study Eye				Fellow Eye
	Superior Hemifield		Inferior Hemifield		Superior Hemifield		Inferior Hemifield
	n	%	n	%	n	%	n	%
Localized nerve fiber bundle (NFB) defects, with and without an enlarged blind spot (EBS)	226	68.5	246	74.6	151	45.8	167	50.6
EBS, no localized NFB defects	37	11.2	41	12.4	56	17	67	20.3
Diffuse	19	5.8	17	5.2	20	6.1	20	6.1
Neurologic-like	6	1.8	3	<1.0	3	<1.0	4	1.2
Other	19	5.8	17	5.2	24	7.3	21	6.3
Normal	23	6.9	6	1.8	76	23.0	51	15.5
Total	330	100.0	330	100.0	330	100.0	330	100.0