Table 2.

Statistics of contrast sensitivity measurements, in daylight/night conditions, with and without glare, in patients after optic neuritis

Examination	Spatial frequency	Calculated contrast parameters
		min	max	x	Me	SD	v(%)
Night testing without glare	1.5	13	50	31.9	36	12.1	37.8
	3	10	160	70.4	57	32.9	46.7
	6	0	90	34.3	33	23.4	68.4
	12	0	22	8.45	8	7.52	88.9
	18	0	12	0.91	0	2.50	275.5
Night testing with glare	1.5	18	71	39.9	36	19.2	48.1
	3	10	160	72.1	57	34.2	47.4
	6	0	128	35.9	33	27.7	77.0
	12	0	30	9.79	11	8.34	85.2
	18	0	8	0.61	0	1.97	324.6
Day testing without glare	1.5	13	71	28.6	25	12.7	44.2
	3	29	160	79.7	80	33.4	41.9
	6	0	128	52.6	45	30.5	57.9
	12	0	60	22.1	22	14.4	65.3
	18	0	17	6.42	8	5.40	84.0
Day testing with glare	1.5	18	71	40.2	36	15.8	39.3
	3	29	160	84.9	80	30.9	36.4
	6	0	180	59.9	45	39.1	65.3
	12	0	85	25.9	22	20.0	77.3
	18	0	17	7.15	8	6.01	84.0

min minimum, max maximum, x mean Me median, SD standard deviation, v variance