先天性眼球震颤（CN）是一种原因不详、难以治疗的先天性眼病。有以下特点：发病早：自幼即眼球震颤或发病时间不明确。无晃视感：即视物无晃动感，即使眼震相当严重视物亦无晃动感。眼球的不自主持续有规律地摆动或跳动。眼球转动无障碍。日常生活无明显障碍：双眼视力和矫正视力一般都在0.1以上，色觉正常。
现对先天性眼球震颤遗传学的研究进展进行了综述。
In this paper, the genetic progress of the congenital nystagmus has been reviewed.
目的：观察肉毒杆菌毒素a (BTA)治疗先天性眼球震颤(CN)的效果。
AIM: To investigate the effect of botulin a (BTA) on patients with congenital nystagmus (CN).
应用眼震电流描记术，对16例先天性和10例后天性眼球震颤患者进行了多项试验检查。
With electronystagmography (ENG), various tests were carried out in 16 patients of congenital and 10 patients of acquired nystagmus.
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