女孩长期歪头写字致单眼近视|粉嫩小泬BBBB免费看
1. 粉嫩国际
武汉晚报讯(记者王春岚 通讯员薛源)长期歪头写字,女孩左眼近视,还出现外斜视。医生提醒,当心错误姿势导致双眼视力失衡。
今年7月,妈妈带8岁女孩小萌(化名)到武汉儿童医院眼科复查视力。半年前学校体检曾提示小萌左眼视力偏差,但孩子能看清黑板、完整抄写作业,家长就没多在意。这次却查出左眼近视、屈光参差、外斜视:右眼视力1.0,左眼仅0.3,相当于近视150度;双眼立体视力差,屈光差达到250度。
小萌妈妈很纳闷,平时很注意保护孩子视力,少看电子设备、每天参加户外活动,为什么还是出现了近视?
经过观察,眼科医生刘淑芳发现了端倪。她让小萌现场写字,孩子握笔时手指靠下,仅露出约1厘米长的笔尖,笔杆几乎垂直于纸面。为了看清楚笔尖,小萌不得不向左歪着身子,偏头看手。这正是导致她单眼近视的原因。
在医生的建议下,小萌配戴眼镜、纠正读写姿势,并配合相关训练,加强双眼协同功能。开学前到医院复查,斜视有所改善,双眼立体视觉也提高了。
该院眼科副主任医师揭红介绍,门诊经常遇到小萌这样的学生,除部分先天性因素外,大部分与不良用眼习惯有关,如坐姿不正确、握笔姿势不正确。如果双眼近视或远视差距超过150度,或者散光差距超过100度,就容易引发视疲劳、头晕、视物模糊等问题。如不及时干预,度数较高的眼睛容易因过度使用而负担加重,视力下降更快,还可能进一步引发单眼弱视或单眼外斜视。
她提醒家长,尽早带孩子进行视力筛查,并定期检查屈光状态。平时要关注孩子的用眼行为,保持正确读写姿势:握笔时手应离笔尖一寸(约3厘米),笔尖朝11时方向书写,避免勾腕等不良习惯;同时应遵循“眼离书本一尺(约33厘米),胸离桌边一拳”的原则,坐姿端正,不歪头、不单眼注视,也避免侧躺阅读。此外,还需严格控制近距离用眼时间。通过这些综合措施,可有效预防弱视、斜视等视觉并发症的发生。
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