Table 1.
Demographic information*
| ID no. | Age | Sex | Preferred hand | Reading hand | wpm | Age of blindness onset | Light sensitivity | Years reading | Cause of blindness | % Correct |
|---|---|---|---|---|---|---|---|---|---|---|
| Early 1 | 54.0 | F | Right | Both | 145.4 | 0 | None | 40 | Retinopathy of prematurity | 100.0 |
| Early 7 | 72.0 | M | Right | Both | 40.4 | 5 | None | 65 | Cataracts | 100.0 |
| Early 9 | 48.0 | M | Right | Right | n/a | 0 | None | 49 | Retrolental fibroplasia | 100.0 |
| Early 10 | 37.0 | M | Right | Both | 71.2 | 0 | Slight | 28 | Retinopathy of prematurity | 94.7 |
| Early 11 | 27.0 | M | Right | Left | 58.7 | 0 | Some | 20 | Leber's congenital amaurosis | 100.0 |
| Early 12 | 26.0 | M | Right | Left | 60.2 | 0 | None | 22 | Retinitis pigmentosa | 100.0 |
| Early 13 | 70.0 | F | Right | Both | 88.7 | 0 | None | 60 | Eye infection | 100.0 |
| Early 14 | 58.0 | F | Right | Both | 137.0 | 0 | Light source | 58 | Genetic retinal pigmentation | 100.0 |
| Early 16 | 48.0 | F | Right | Both | 185.8 | 0 | None | 44 | Retinopathy of prematurity | 100.0 |
| Average | 48.3 | 97.3 | 0.9 | 42 | 99.4 | |||||
| SEM | 5.3 | 16.1 | 0.6 | 5 | 0.6 | |||||
| Late 1 | 40.0 | F | Right | Both | 69.0 | 6 | Yes | 40 | Rubella | 100.0 |
| Late 3 | 44.0 | M | Left | Left | 72.5 | 11 | None | 36 | Coates disease | 100.0 |
| Late 4 | 66.0 | M | Right | Left | 63.8 | 11 | None | 56 | Congenital glaucoma | 100.0 |
| Late 6 | 50.0 | F | Right | Both | 125.0 | 27 | None | 20 | Retinitis pigmentosa | 94.1 |
| Late 8 | 50.0 | F | Right | Both | 32.6 | 36 | Slight | 14 | Steven Johnson's Syndrome | 94.1 |
| Late 9 | 40.0 | M | Right | Right | n/b | 15 | Direct light | 22 | Retinitis pigmentosa | 100.0 |
| Late 11 | 47.0 | F | Left | Both | 182.3 | 20 | Slight | 41 | Retinopathy of prematurity | 94.7 |
| Late 13 | 61.0 | M | Right | Right | n/a | 41 | Slight | 13 | Diabetes/retinopathy | 88.2 |
| Late 14 | 18.0 | M | Right | Both | 71.7 | 18 | Some | 12 | Microcornea | 93.8 |
| Average | 46.2 | 88.1 | 17.9 | 28 | 96.1 | |||||
| SEM | 4.6 | 16.5 | 3.5 | 5 | 1.4 | |||||
| Sighted | 37.0 | M | Right | 76.5 | ||||||
| Sighted | 31.0 | M | Right | 100.0 | ||||||
| Sighted | 62.0 | M | Right | 100.0 | ||||||
| Sighted | 32.0 | M | Left | 100.0 | ||||||
| Sighted | 51.0 | F | Right | 82.4 | ||||||
| Sighted | 55.0 | M | Right | 100.0 | ||||||
| Sighted | 60.0 | M | Right | 100.0 | ||||||
| Sighted | 36.0 | M | Right | 100.0 | ||||||
| Average | 45.5 | 94.9 | ||||||||
| SEM | 4.5 | 3.4 |
*
n/a, Braille reading speed measurement not available; n/b, not Braille literate.