Table 2.

Distribution of Prevalence of Various Refractive Error in Different Genders and Regions

	N	High Myopia (SER≤-6.0D)		Myopia (SER≤-0.5 D)		Emmetropia (SER>-0.50 D and ≤+0.5 D)		Mild Hyperopia (SER>+0.50 D and ≤+2.0 D)		Medium to Marked Hyperopia (SER>+2.0 D)		Astigmatism (Myopic Cylindrical Refractive Error≤−0.75 D)
		N	Prevalence(%); 95% CI	N	Prevalence(%); 95% CI	N	Prevalence(%); 95% CI	N	Prevalence(%); 95% CI	N	Prevalence(%); 95% CI	N	Prevalence(%); 95% CI
Gender
Male	1825	15	0.8; 0.3–1.4	495	27.1;17.4–37.2	349	19.1; 7.3–30.6	902	49.4; 48.7–50.2	79	4.3; 3.3–5.4	441	24.2;17.3–31.3
Female	1699	15	0.9; 0.4–1.3	554	32.6; 24.7–40.5	282	16.6; 12.7–20.5	790	46.5; 42.8–50.2	73	4.3; 4.0–4.6	484	28.5; 25.3–31.6
Region
Rural areas	1798	12	0.7; 0.5–0.8	477	26.5; 18.5–35.0	373	20.4; 13.5–27.6	873	48.6; 46.7–50.3	75	4.2; 3.6–4.8	438	24.4; 16.8–32.2
County towns	1726	18	1.0; 1.0–1.0	572	33.1; 26.8–39.5	258	15.0; 14.2–15.7	819	47.5; 41.2–53.7	77	4.5; 3.7–5.2	487	28.2; 24.3–32.1
Total	3524	30	0.9;0.3–1.4	1049	29.8; 20.7–39.0	631	17.9; 9.8–25.9	1692	48.0; 46.5–49.5	152	4.3; 3.9–4.7	925	26.2; 20.9–31.6

Abbreviations: N, Number of children; 95% CI, 95% confidence intervals.