Table 1.

Comparison of contrast sensitivity measurements in various conditions, in patients after optic neuritis with the control group

Examination	Spatial frequency	Group				Z test	Significance p
		MS with optic neuritis		Control group
		x	SD	x	SD
Night testing without glare	1.5	31.9	12.1	56.0	25.1	4.515	p < 0.001
	3	70.4	32.9	104.3	34.7	3.990	p < 0.001
	6	34.3	23.4	69.3	33.5	4.577	p < 0.001
	12	8.45	7.52	21.4	16.4	4.174	p < 0.001
	18	0.91	2.50	4.76	4.48	4.005	p < 0.001
Night testing with glare	1.5	39.9	19.2	65.7	23.9	4.477	p < 0.001
	3	72.1	34.2	109.0	31.2	4.298	p < 0.001
	6	35.9	27.7	68.4	30.8	4.709	p < 0.001
	12	9.79	8.34	20.9	15.5	3.744	p < 0.001
	18	0.61	1.97	4.82	5.13	4.094	p < 0.001
Day testing without glare	1.5	28.6	12.7	50.4	19.3	5.238	p < 0.001
	3	79.7	33.4	117.1	27.9	4.553	p < 0.001
	6	52.6	30.5	108.0	38.7	5.569	p < 0.001
	12	22.1	14.4	41.3	24.4	3.995	p < 0.001
	18	6.42	5.40	16.2	11.5	4.189	p < 0.001
Day testing with glare	1.5	40.2	15.8	64.3	23.6	4.392	p < 0.001
	3	84.9	30.9	127.4	26.1	5.064	p < 0.001
	6	59.9	39.1	112.3	37.9	5.201	p < 0.001
	12	25.9	20.0	47.0	25.8	4.028	p < 0.001
	18	7.15	6.01	17.5	12.5	3.971	p < 0.001

MS multiple sclerosis, x mean, SD standard deviation