天气预报 > 健康 > 弱视是什么
弱视是什么
更新时间: 2021-04-13 10:07:30  

1、弱视是一种严重危害儿童视功能的眼病,如不及时治疗可引起弱视加重,甚至失明。

2、视觉发育期内由于单眼斜视、屈光参差、高度屈光不正以及形觉剥夺等异常视觉经验引起的单眼或双眼最佳矫正视力低于相应年龄正常儿童,且眼部检查无器质性病变,称为弱视。不同年龄儿童视力的正常值下限:年龄为3~5岁儿童视力的正常值下限为0.5,6岁及以上儿童视力的正常值下限为0.7。

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