1979年以来我们先后见到两个家系共13例遗传性眼球震颤,情况如下。例1(先证例1) 12岁健康男孩,出生后即发现两眼摆动和摇头现象,无夜盲。神经科和耳科检查正常。眼部检查:眼球运动正常,无斜视;双眼震颤,40～80次/分,振幅1～4毫米;极度向侧方注视时,振幅增大且呈跳动性,快相向转向的一侧。头水平性摇动30～40次/分。眼震和摇头在头稍偏左侧注视时可 Since 1979, we have seen a total of 13 cases of hereditary nystagmus in two families, as follows. Example 1 (Example 1) A 12-year-old healthy boy found that both eyes were shaking and shaking his head after birth without night blindness. Neurology and otology were normal. Eye examination: normal eye movements, no strabismus; binocular tremor, 40 to 80 beats / min, amplitude 1 to 4 mm; extreme lateral gaze, the amplitude increases and beating, fast turn toward the side. Head horizontal shaking 30 ~ 40 beats / min. Nystagmus and shaking his head in the head slightly left when watching