There's a name for this behavior: trichotillomania.
这种行为是有个专业名称的，拔毛症。
While it’s still unclear whether trichotillomania should be classified as a habit or as an obsessive-compulsive disorder, the end result is the same.
虽然现在还不清楚拔毛发癖到底是应该归类于一种习惯还是认为是一种强迫性精神障碍，最后的结果却是一样的。
Purpose: To report a case of bilateral upper lid lash loss caused by trichotillomania.
摘要目的：报告一因罹患拔毛症而导致两眼上眼睑睫毛缺失的病例。
应用推荐