【病例】　男，８岁。因头向右肩倾斜７年余，于１９９８年２月１３日入外院骨科。病儿于出生后７个月，其母即发现头向右肩倾斜。该院诊断为先天性肌性斜颈（右），２月１７日在氯胺酮麻醉下行斜颈矫正术，术后效果不明显，同年４月１３日入我院眼科。查体：双眼视力均５．０ [Case] ​​Male, 8 years old. Due to head tilt to the right shoulder more than 7 years, in February 13, 1998 into the Orthopedics. Sick child 7 months after birth, the mother found that the head tilt to the right shoulder. The hospital diagnosis of congenital muscular torticollis (right), February 17 anesthesia in the next line of cervical torticollis correction, the effect is not obvious, the same year April 13 into our hospital ophthalmology. Physical examination: binocular vision are 5.0