Table 2. Incidence of myopia according to age.

Age in years	N	No. of new cases of myopia (%)
<9	860	28 (3.3)
9	859	40 (4.7)
10	1049	35 (3.3)
11	1253	49 (3.9)
12	1310	51 (3.9)
13	1220	36 (3.0)
14	984	21 (2.2)
15	665	15 (2.3)
Total	8200	275 (3.4)