Broster
et al
Table 2
1993–1997
1998–2002
Hearing
Corrected with aids
5
0.5%
8
1%
Not corrected
2
0.3%
5
1%
Vision
Squint
86
9%
84
9%
Blind one eye
1
0
Blind both eyes
9
1%
3
0.5%