长时间的近距离用眼造成真性近视？
推荐时间: 2016-01-26 13:12:30
—内容仅供参考
长时间的近距离用眼，常常使睫状肌发生痉挛，丧失了正常灵活性，视远时不能充分松弛，即形成了假性近视。如果长期发展下去，眼外肌对眼球的压迫和眼内压力的改变使眼轴变长则成为真性近视。
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