周期性内斜１例上海医科大学眼耳鼻喉科医院丁月琴，胡德年周期性内斜是一种罕见的斜视类型，其临床特点为较大角度内斜与眼球正位交替呈现；以４８小时周期为常见，即先是２４小时的眼球正位，次日则呈现明显内斜。多见于幼儿，病程数月或数年，以后转为恒定性内斜。病因... Periodic internal oblique 1 case of Shanghai Medical University Eye and ENT Hospital Ding Yueqin, Hu De years periodic esotropia is a rare type of strabismus, the clinical features of the larger angle of the oblique and the eye is alternately showing positive; 48-hour period Is common, that is, the first 24 hours of the eye is positive, the next day showed a significant internal oblique. More common in young children, the course of several months or years later, after the transfer to a constant within the oblique. Cause ...