Clinical Characteristics of Infantile Nystagmus

ABSTRACT

The authors analyzed clinical characteristics of 33 patients who were diagnosed as infantile nystagmus from August, 1994 to January, 1995 at St. Pauls Hospital Catholic University Medical College. The 26 patients were men and the seven patients were women. Onset or detected age of nystagmus was 1.68 year old in average(at birth-10 year old) and inheritances were presented in 8 case. Visual acuity were better at near than at far and at head tilting position than at straight position(p<.01). Abnormal head postures were presented in 31 cases. In waveform analysis at primary position, horizontal waveform were 30 cases, vertical waveform were 2 cases, vertical and rotational waveform was 1 cases, and then pendular type were 17 cases, jerk type were 10 cases, and combined type were 6 cases. Patients of 28 cases were orthotropia, 5 cases were accompanied by various type of strabismus, 23 cases were accompanied by fusional capacity, and 3 cases were showed head nodding.