A small number of children suffer from a condition called amblyopia, a vision problem that can lead to permanent vision loss if left untreated.

少数儿童患有一种视力问题——弱视，如果不及时治疗，可导致永久性视力丧失。

youdao

The incidence of amblyopia secondary to severe anisometropia in children is reaching to 66.67%, and 28.30% of which will lead to visual deformity.

儿童严重屈光参差患者的弱视发生率高达66。67%，其中28。30%患儿终致视力残疾。

youdao