Figure 4
Prevalence and Confidence Interval (95%) of spectacle reversible visual impairment, according to age in west region of state of São Paulo, Brazil – 2004/2005.
Figure 4 | BMC Ophthalmology
Prevalence and Confidence Interval (95%) of spectacle reversible visual impairment, according to age in west region of state of São Paulo, Brazil – 2004/2005.