Table 2.

The number of records, covert and overt saccades with light target and in darkness for each BVL patient.

Patient	Visible target			Darkness			Differences of saccade rate per record
	Records	Covert saccades	Overt saccades	Records	Covert saccades	Overt saccades	Covert saccades	Overt saccades	All CUS
1	21	25	27	21	13	10	48%	63%	56%
2	24	24	38	21	1	3	95%	91%	93%
3	21	16	19	20	2	11	87%	39%	61%
4	19	12	12	22	2	9	86%	35%	60%
5	19	23	13	13	6	7	62%	21%	47%
6	19	17	20	19	2	12	88%	40%	62%
7	20	10	13	19	1	4	89%	68%	77%
8	19	25	15	22	7	8	76%	54%	68%
9	22	11	21	19	16	0	−68%	100%	42%
10	19	23	23	15	10	0	45%	100%	72%
11	17	22	11	17	9	8	59%	27%	48%
12	19	29	15	16	16	0	34%	100%	57%
13	14	10	11	15	8	1	25%	92%	60%
14	18	18	24	20	8	12	60%	55%	57%
15	20	15	11	24	5	2	72%	85%	78%
16	19	20	28	18	20	1	−6%	96%	54%
17	20	20	13	19	19	8	0%	35%	14%
Mean :							50%	65%	59%

The difference of saccade rate per record in light and darkness is expressed in %. The mean difference of saccade rate per record for the whole group is 50% for covert saccades, 65% for overt saccades and 59 % for all CUS.