Table 2. Estimated prevalence of blindness (VA<3/60), severe visual impairment (VA<6/60–3/60) and visual impairment (VA<6/80–6/60) in Cape Town by person and eyes with available correction.

	Male		Female		Total
VA with available correction	N	Prevalence (95% CI)	n	Prevalence (95% CI)	n	Prevalence (95% CI)
Blind
Persons	11	1.1% (0.4–1.7)	26	1.5% (0.9–2.1)	37	1.4% (0.9–1.8)
Eyes	94	4.5% (3.5–5.5)	150	4.4% (3.4–5.3)	242	4.4% (3.9–4.9)
Severe visual impairment
Persons	6	0.6% (0.1–1.0)	21	1.2% (0.7–1.7)	27	0.9% (0.6–1.4)
Eyes	24	1.2% (0.7–1.7)	72	2.1% (1.5–2.7)	96	1.8% (1.4–2.1)
Visual impairment
Persons	43	4.1% (2.9–5.2)	91	5.3% (4.2–6.4)	134	4.9% (4.1–5.7)
Eyes	122	5.9% (4.8–7.0)	248	7.2% (6.1–8.4)	372	6.8% (6.1–7.4)

CI, Confidence Interval; VA, Visual Acuity;

NB: data for persons refers to VA in the better eye.