眼睑下垂（blepharoptosis）通常指上眼睑下垂，表现为上眼睑部分或完全不能抬起，致上眼睑下缘遮盖角膜上缘过多，从而使病眼的眼裂显得较正常眼裂小。患者常耸眉，皱额，仰头形成一种特殊昂视姿态。如自幼发生此症，长期遮住瞳孔，容易成废用性弱视。眼睑下垂是许多疾病的早期症状，应尽早明确诊断，针对病因治疗。先天性眼睑下垂应手术矫正。
1 case was unruptured intracranial aneurysms with onset of blepharoptosis. 40 cases had definte subarachnoid hemorrhage in which 36 cases suffered primary hemorrhage; 4 cases suffered twice- hemorrhage.
1例为未破裂动脉瘤，以上眼睑下垂起病；40例有明确的蛛网膜下腔出血，一次出血36例，二次出血4例。
参考来源 - 颅内动脉瘤的显微手术治疗·2,447,543篇论文数据，部分数据来源于NoteExpress
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