用眼過度(看電腦、看手機視頻）。嚇得不敢看了，或看得少了，也就恢複了。這種視覺疲勞與睫狀肌調節晶體和眼球的匯聚運動有關。

來源: 一事有成於 2016-09-27 06:19:30 [舊帖] [給我悄悄話] 本文已被閱讀：次

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