From: Prevalence and pattern of refractive error and visual impairment among schoolchildren: the Lhasa childhood eye study
Myopia
Hyperopia
n
%
95%CI
Gender
Boys
44
4.5
3.19–5.78
93
9.5
7–65-11.31
Girls
5.1
3.59–6.50
132
15.1*
12.76–17.52
Ethnicity
Tibetan
82
4.7
3.68–5.65
211
12.0
10.48–13.51
Other
6
6.4
1.44–11.32
14
14.9
7.70–22.09
All
88
4.8
225
12.3