Table 1.

Early blind subjects.

Subject	Sex	Handedness	Age	Onset of total blindness	Cause of blindness	Residual vision	Psychophysics	fMRI
Eb1	M	R	38 years	2 years*	Retinoblastoma	No	Yes	Yes
Eb2	F	R	60 years	0 years	Glaucoma	No	Yes	Yes
Eb3	F	R	23 years	0 years	Retinopathy of prematurity	Light perception	Yes	Yes
Eb4	M	R	32 years	3 years*	Glaucoma	No	Yes	Yes
Eb5	M	R	37 years	0 years	Retinopathy of prematurity	No	Yes	Yes
Eb6	M	R	23 years	0 years	Amaurosis	Light perception	Yes	Yes
Eb7	M	R	30 years	0 years	Retinopathy of prematurity	Light perception	Yes	Yes
Eb8	F	R	23 years	0 years	Retinopathy of prematurity	Light perception	Yes	Yes
Eb9	M	R	36 years	2 years*	Retinoblastoma	No	Yes	Yes
Eb10	F	R	45 years	0 years	Congenital unknown disease	Yes	Yes	Yes
Eb11	F	R	62 years	7 years*	Congenital cataract	No	Yes	Yes
Eb12	M	R	28 years	0 years	Microphthalmia	No	Yes	Yes
Eb13	M	L	26 years	0 years	Anophthalmia	No	Yes	No
Eb14	M	R	54 years	0 years	Glaucoma	No	Yes	No
Eb15	M	R	44 years	0 years	Retinopathy of prematurity	No	No	Yes
Eb16	M	R	37 years	0 years	Retinopathy of prematurity	No	No	Yes
Eb17	F	R	58 years	0 years	Congenital unknown disease	Light perception	No	Yes
Eb18	F	R	50 years	0 years	Chorioretinal atrophy	Light perception	No	Yes
Eb19	M	R	29 years	0 years	Retinopathy of prematurity	No	No	Yes

The “Psychophysics” and “fMRI” columns indicate subject participation in the psychophysical and fMRI experiments, respectively.

^*Vision of these subjects was substantially reduced well before the clinical diagnosis of total blindness (see the main text).