Table 1.

The prevalence of myopia, emmetropia, and hyperopia for age groups 2–6 years, 7–11 years, 12–17 years, and 18–35 years. Significant differences are given between male and female subjects

Age group	m/f	No. of subjects	Myopia	Emmetropia	Hyperopia
2–6 years	m	36	0 (0%)	33 (91.7%)	3 (8.3%)
	f	46	0 (0%)	41 (89.1%)	5 (10.9%)
	Total	82	0 (0%)	74 (90.2%)	8 (9.8%)
7–11 years	m	54	1 (1.8%)	50 (92.6%)	3 (5.6%)
	f	56	5 (8.9%)	47 (83.9%)	4 (7.2%)
	Total	110	6 (5.5%)	97 (88.1%)	7 (6.4%)
12–17 years	m	73	9 (12.3%)*	58 (79.5%)	6 (8.2%)*
	f	113	30 (26.5%)*	82 (72.6%)	1 (0.9%)*
	Total	186	39 (21.0%)	140 (75.3%)	7 (3.7%)
18–35 years	m	56	22 (39.3%)	32 (57.1%)	2 (3.6%)
	f	82	35 (42.7%)	45 (54.9%)	2 (2.4%)
	Total	138	57 (41.3%)	77 (55.8%)	4 (2.9%)
	Total	516	102 (19.8%)	388 (75.2%)	26 (5.0%)

^*Notes: P < 0.05;

^**P < 0.01;

^***P < 0 .001; m, male; f, female.