线粒体眼肌病是一组线粒体结构和功能异常的神经肌病。自60年代初报道线粒体眼肌病以来，国外陆续有病例报道，但国内尚未见报道。现报告1例如下。1临床资料患儿，男，5a，1994年12月双眼开睑困难，活动时加重，休息后好转。6mo后上述症状加重，出现双眼球固定不动，于1995年6 Mitochondrial myopathy is a group of neuromuscular myositis with mitochondrial structure and dysfunction. Since the early 60s reported mitochondrial encephalomyopathy, there are successively foreign cases reported, but not yet reported. One report is as follows. 1 Clinical data Children, male, 5a, December 1994 Eyes open eyelid difficult, aggravating activities, rest after the improvement. After 6mo aggravate the above symptoms, there are two eyes fixed, in 1995 6