Table 4 Adjusted prevalence of bilateral low vision (presenting VA <6/18–3/60 in better eye) in people aged 50 years and older by sex
Country (survey area)Presenting VA <6/18–3/60
MalesFemalesTotal
Prevalence (%)Prevalence (%)Prevalence (95% CI)
Paraguay (whole country)9.212.210.7 (9.5% to 12.0%)
Peru (Piura-Tumbes District)17.819.618.7 (17.7% to 19.7%)
Argentina (part of Buenos Aires)5.56.25.9 (5.1% to 6.8%)
Brazil (Campinas city)5.86.66.3 (5.1% to 7.5%)
Cuba (Havana city)10.612.411.6 (10.2% to 13.1%)
Venezuela (whole country)8.711.810.3 (8.9% to 11.7%)
Guatemala (4 provinces)11.713.312.5 (11.2% to 13.8%)
Mexico (Nuevo Léon State)9.97.88.8 (7.7% to 9.9%)
Chile (Bio Bio Province)6.88.77.8 (6.8% to 8.8%)