Table 2:

The prevalence of low vision, blindness and visual impairment among rural population of Iran

		Low vision	Blindness	Visual impairment
		% (95%CI)	% (95%CI)	% (95%CI)
Age (yr)	<20	1.2 (0.4–1.9)	0.6 (0.1–1.2)	1.8 (0.9–2.7)
	20–39	2.9 (1.9–4)	1.4 (0.6–2.1)	4.3 (3–5.6)
	40–59	4.5 (2.6–6.3)	2.2 (0.9–3.5)	6.7 (4.5–8.9)
	>=60	10.2 (6.3–14.1)	17.8 (12.9–22.7)	28.0 (22.2–33.7)
Sex	Female	4.3 (3.2–5.4)	2.4 (1.6–3.3)	6.7 (5.3–8.1)
	Male	2.4 (1.5–3.2)	3.4 (2.4–4.5)	5.8 (4.5–7.1)
	Total	3.4 (2.6–4.1)	3.0 (2.3–3.6)	6.3 (5.3–7.3)