小儿斜视是怎样造成的

小儿斜视
2025-03-24 10:12:21
推荐回答(2个)
回答1:

一般来说,根据斜视的发病机理将其分为共同性斜视和麻痹性斜视两大类: 1、共同性斜视: 是在婴幼儿双眼视觉形成过程中由大脑皮质视中枢发育障碍而引起。这一类斜视支配眼球运动的肌肉和神经是正常的,眼球能自由活动,斜视是眼外肌平衡失调的表现。多数与屈光不正有关,如高度远视患儿,因看近时需加强调节,眼球内聚力也相应增强,容易形成内斜视。 2、麻痹性斜视: 是支配眼球运动的神经和肌肉病变引起的,也可来自颅内。如管眼球向外转的肌肉麻痹,眼球就会偏向内斜位,眼球不能外转,看东西成双影,为了减轻这一症状患儿时常表现歪头姿势,即代偿头位。不过在儿童还是以共同性斜视多见。更多的眼科知识可到蓝莓眼科网查阅
采纳哦

回答2:

儿童斜视最大的危害是影响视功能发育,容易造成斜视性弱视,使视力低下,缺乏立体视功能,成年后无法从事驾驶,测绘等职业。还有一些麻痹性斜视的患儿,经常采用偏头、侧脸、抬颏等特殊的头位来克服复视,长此以往会导致全身骨骼发育畸形,不仅影响了儿童的外貌,还会影响儿童身体和心理的健康发育。因此,要高度关注孩子发育的3个特定时期: 一是孩子出生睁眼后; 二是孩子长到5—6个月抱起来看东西的时候;三是2—3岁时。 注意观察孩子有没有两眼眼球位置不对称或歪头现象,如果发现孩子看东西时有不自觉地歪头、眯眼的习惯,有畏光现象时,应该及早带孩子去医院检查。还有一种斜视是任何年龄都可以发生的,常见病因是头部外伤、感染和肿瘤。

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