Prevalence and Related Factors for Myopia in School-Aged Children in Qingdao

Table 3

The prevalence of low, moderate, and high myopia in different age groups.

Age (years)	No myopia		Low myopia		Moderate myopia		High myopia
	n	%	n	%	n	%	n	%
10	534	77.39	130	18.84	17	2.46	9	1.30
11	456	67.26	162	23.89	50	7.37	10	1.47
12	364	54.25	192	28.61	89	13.26	26	3.87
13	295	45.07	226	32.99	117	17.08	47	6.86
14	364	33.70	380	35.19	247	22.87	89	8.24
15	333	30.66	388	35.73	266	24.49	99	9.12
Total	2346	47.98	1478	30.22	786	16.07	280	5.73