Table 2 Estimated prevalence of blindness, severe visual impairment and visual impairment in Negros and Antique
VA with available correctionNegrosAntique
Males (n = 1155)Females (n = 1619)Total (n = 2774)Males (n = 1217)Females (n = 1960)Total (n = 3177)
Bilateral blindness
    Number234972336295
    Prevalence (95% CI)2.0% (1.2 to 2.8%)3.0% (2.2 to 3.9%)2.6% (2.0 to 3.2%)2.7% (1.8 to 3.7%)3.2% (2.4 to 4.0%)3.0% (2.4 to 3.6%)
Bilateral severe visual impairment
    Number182240182139
    Prevalence (95% CI)1.6% (0.9 to 2.3%)1.4% (0.8 to 1.9%)1.4% (1.0 to 1.9%)1.5% (0.8 to 2.2%)1.1% (0.7 to 1.5%)1.2% (0.8 to 1.6%)
Bilateral visual impairment
    Number11718930682151233
    Prevalence (95% CI)10.1% (8.1 to 12.1%)11.7% (10.2 to 13.2%)11.0% (9.6 to 12.4%)6.7% (5.4 to 8.1%)7.7% (6.6 to 8.8%)7.3% (6.4 to 8.2%)