Table 5.

Affected Eye RNFL Thickness at One and Six Months

Diagnosis	Imaging Test	Average RFNL	Temporal Quadrant	Superior Quadrant	Nasal Quadrant	Inferior Quadrant
NAION: No. of eyes RNFL thinned, 1 mo	OCT	6/17	2/17	5/17	2/17	5/17
	SLP	4/16	1/16	14/16	1/16	7/16
NAION	OCT	111 ± 49	78 ± 50	123 ± 57	95 ± 36	149 ± 85
Thickness, μm, mean ± SD (1 mo)	SLP	43 ± 9	27 ± 9	44 ± 13	36 ± 12	61 ± 17
NAION: No. of eyes RNFL thinned, 6 mo	OCT	15/17	9/17	15/17	4/17	15/17
NAION
Thickness, μm, mean ± SD (6 mo) P for 1 and 6 mo	OCT	71 ± 9, P = 0.003	56 ± 10, P = 0.14	73 ± 19, P = 0.005	62 ± 11, P = 0.04	99 ± 34, P = 0.003
Optic neuritis: No. of eyes RNFL thinned, 1 mo	OCT	0/11	0/11	0/11	0/11	0/11
	SLP	1/11	0/11	0/11	0/11	2/11
Optic neuritis	OCT	127 ± 16	73 ± 13	164 ± 22	110 ± 19	160 ± 29
Thickness, μm, mean ± SD (1 mo)	SLP	52 ± 7	28 ± 8	70 ± 9	46 ± 11	70 ± 13
Optic neuritis: No. of eyes* RNFL thinned, 6 mo	OCT	1/12	/12	1/12	1/12	1/12
Optic neuritis
Thickness, μm, mean ± SD (6 mo) P for 1 and 6 mo	OCT	96 ± 16, P = 0.0007	62 ± 15, P = 0.08	128 ± 21, P = 0.002	76 ± 17, P = 0.0007	120 ± 23, P = 0.004

^*One eye had all 4 quadrants thinned.