Baseline information Results of RAAB survey Prevalence of vision impairment in people over 50 years of age Cambodia (conducted in 2007) Vietnam (conducted in 2010) RegionPrevalence of blindness <3/60 Prevalence of severe visual impairment <6/60 – 3/60 Prevalence of moderate visual impairment <6 / 18 – 6/60 Cambodia 2.8 %17.61 % Viet Nam 3.1 % Son La 2010 1.7 %1.3 %7.1 % Thanh Hoa 2011 5.44 %3.48 %12.24 %
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