Table 3.

Amplitudes and Implicit Times

	Implicit Time (ms)				Amplitude (nV)
Chevrons	Control	Moderate Glaucoma	Control	Severe Glaucoma	Control	Moderate Glaucoma	Control	Severe Glaucoma
Horizontal chevrons
a-Wave
N2	13.0 ± 1.0	13.7 ± 0.5	14.1 ± 1.3	12.5 ± 2.5	−13.9 ± 4.3	−8.4 ± 2.5	−19.1 ± 5.9	−13.9 ± 1.5
N1	15.6 ± 1.1	13.8 ± 0.4	15.2 ± 1.0	13.5 ± 1.2	−13.9 ± 5.8	−11.7 ± 2.1	−17.9 ± 6.8	−15.6 ± 2.0
F	12.0 ± 0.9	13.2 ± 0.4	12.6 ± 0.8	12.7 ± 0.3	−20.1 ± 3.0	−20.8 ± 2.3	−24.8 ± 3.1	−23.5 ± 2.5
T1	13.9 ± 2.2	11.9 ± 0.8	12.2 ± 1.7	14.1 ± 1.5	−15.3 ± 4.5	−14.0 ± 2.2	−20.6 ± 5.0	−21.9 ± 2.2
T2	12.3 ± 3.2	13.0 ± 0.6	12.3 ± 2.5	13.4 ± 1.8	−17.8 ± 3.7	−8.7 ± 2.1	−18.9 ± 3.5	−11.9 ± 2.7
b-Wave
N2	29.4 ± 1.2	25.0 ± 3.0	30.0 ± 1.0	25.8 ± 3.7	23.8 ± 7.2	22.6 ± 3.4	30.3 ± 6.9	23.5 ± 5.5
N1	30.7 ± 2.6	31.0 ± 0.7	30.4 ± 2.0	32.5 ± 1.8	44.0 ± 4.8	32.3 ± 3.7	47.9 ± 4.3	27.3 ± 3.4
F	32.5 ± 1.1	33.4 ± 1.4	31.7 ± 0.9	35.5 ± 2.1	58.9 ± 13.0	49.0 ± 3.7	54.3 ± 7.2	39.7 ± 3.2
T1	30.9 ± 0.9	30.2 ± 1.0	30.9 ± 1.3	32.1 ± 2.4	38.7 ± 4.7	38.1 ± 3.2	48.4 ± 7.6	32.6 ± 4.3
T2	28.1 ± 1.7	28.8 ± 1.3	26.8 ± 1.3	29.9 ± 2.3	34.8 ± 4.2	32.1 ± 4.4	34.8 ± 5.4	37.3 ± 10.0
Vertical chevrons
a-Wave
I2	10.8 ± 1.2	13.0 ± 0.6	11.8 ± 1.6	12.1 ± 1.9	−18.2 ± 3.6	−17.2 ± 2.1	−25.4 ± 7.3	−6.1 ± 4.3
I1	11.8 ± 1.2	12.8 ± 0.4	12.3 ± 1.7	11.4 ± 0.7	−9.7 ± 2.7	−16.7 ± 2.5	−19.7 ± 3.9	−17.3 ± 1.8
S1	14.1 ± 1.8	12.9 ± 1.9	14.8 ± 1.8	12.2 ± 0.4	−14.4 ± 4.9	−12.6 ± 1.8	−16.9 ± 7.6	−15.0 ± 2.8
S2	14.6 ± 0.8	14.0 ± 0.8	16.1 ± 1.2	12.2 ± 2.9	−8.1 ± 7.8	−14.4 ± 2.9	−14.3 ± 8.3	−13.4 ± 2.2
b-Wave
I2	28.6 ± 0.9	29.0 ± 1.0	28.1 ± 0.6	28.1 ± 0.8	38.9 ± 6.7	28.9 ± 2.5	48.4 ± 6.4	42.5 ± 7.9
I1	29.1 ± 0.9	31.3 ± 1.4	30.2 ± 1.4	32.1 ± 2.4	43.1 ± 3.1	28.9 ± 2.3	53.5 ± 6.3	30.0 ± 5.0
S1	30.2 ± 1.2	31.8 ± 1.2	29.2 ± 0.8	33.0 ± 2.0	38.7 ± 6.7	27.1 ± 1.8	42.4 ± 5.8	31.0 ± 4.6
S2	28.4 ± 0.8	30.0 ± 0.7	27.4 ± 1.0	30.3 ± 2.0	39.9 ± 8.8	31.5 ± 3.0	41.3 ± 7.2	38.1 ± 6.1

Data are expressed as the mean ± SE.