张××,女37岁,造纸厂工人。因右侧头面部持续性疼痛。眼前模糊、视物不清晰,月余,夜间症状加剧,不能入眠。右眼较左眼为重。曾在他院就诊时,怀疑为“脑瘤”“视神经炎”等。后被排除,曾服用强痛定、安定、维生素B_1肌注等。疼痛有所减轻,但疼痛和视力障碍不能消除。患者无眼病史、无头晕和头痛、头面部外伤史、牙痛、牙龈出血史。 Zhang × ×, 37-year-old female, paper mill workers. Due to persistent pain on the right head and face. Blurred vision, depending on the material is not clear, more than a month, night symptoms intensified, can not sleep. The right eye is heavier than the left eye. In his hospital treatment, suspected “brain tumor” “optic neuritis” and so on. After being ruled out, had taken strong pain, stability, vitamin B_1 intramuscular injection and so on. Pain relief, but pain and visual impairment can not be eliminated. Patients without eye history, no dizziness and headache, head and face history of trauma, toothache, bleeding gums.