先天性眼震呈水平型,极少有垂直或旋转型,其波型常呈摆动和急跳的复合型式,但并非总是如此。患者常有家族史,往往有一种特殊的眼位,称为“0”位点,在此点眼震消失,视力最好。若“0”位点偏离中心,就可导致头向相反方向偏转。各种先天性眼震有明显的特征,就是在所有凝视位上都呈高频率不规则的水平性摆动或急跳运动。尽管先天性眼震在出生后或生后不久就存 Congenital nystagmus was horizontal, very few vertical or rotational type, the wave form often swinging and jerking complex type, but not always the case. Patients often have a family history, often have a special eye position, known as the “0” site, at this point disappeared nystagmus, visual acuity best. If the “0” site deviates from the center, it can cause the head to deflect in the opposite direction. A variety of congenital nystagmus have obvious characteristics, that is, in all gaze bit showed a high frequency irregular horizontal swing or jerk movement. Although congenital nystagmus after birth or shortly after birth to save