Table 1

Data relating to subjects implanted with the Argus II

Subject	Sex	Age at diagnosis (years)	Age at surgery (years)	Months implanted	Electrodes activated
11-001	F	23	55	34.8	37
11-002	F	54	61	34.5	*
12-001	M	30	52	†
12-002	F	32	60	34.6	53
12-003	M	42	75	34.6	40
12-004	M	26	52	34.2	14
12-005	M	43	70	10.0	54
13-001	M	9	49	10.1	5
13-002	F	37	52	9.5	*
14-001	F	13	56	10.2	20
15-001	M	25	58	31.6	18
15-003	F	24	77	24.9	21
17-001	F	35	55	‡
17-002	M	22	66	33.7	30
51-001	M	20	70	24.5	26
51-002	M	16	51	24.5	*
51-003	M	19	72	22.9	28
51-005	M	7	55	13.2	60
51-006	M	46	66	12.2	*
51-007	M	28	63	10.5	56
51-009	F	11	45	8.6	60
52-001	M	30	50	10.9	60
52-002	M	16	65	11.3	29
52-003	M	25	60	8.8	37
61-001	M	3	53	26.6	11
61-003	M	34	57	15.3	51
61-004	M	20	59	13.2	6
61-005	M	12	49	11.1	40
71-002	M	15	60	26.6	29
71-003	F	2	28	13.9	36

M, male; F, female; Age at diagnosis, age at the diagnosis of the outer retinal dystrophy; Age at surgery, age at implantation of the Argus II system; Months implanted, the number of months from implantation to the end of this study; Electrodes activated, the number of electrodes in use during this testing.
*Did not take part in letter reading tasks.
†Retinal detachment.
‡Explanted: conjunctival erosion/exposure.