脑膜瘤主要发生于颅内,有时见于脊椎管内,眼眶内脑膜瘤则罕见。患者男,10岁,右眼球突出伴视力减退二年,半年来视力丧失、无疼痛,常有头昏。体检,一般情况好,右眼球向正前方突出,跟裂扩大,上下睑 Meningioma occurs mainly in the brain, sometimes found in the spinal canal, orbital meningioma is rare. Male patient, 10 years old, right eyeball with prominent vision loss for two years, six months vision loss, no pain, often dizziness. Physical examination, the general situation is good, prominent right eye to the front, with crack expansion, upper and lower eyelid