Figures & data
Figure 1 Waveform showing the initiation (slow) phase and correction (fast) phase of a jerk nystagmus cycle.
Figure 2 (A) Pendular and (B) jerk waveform patterns in IN.
Abbreviation: IN, infantile nystagmus.
Figure 3 Example of reducing a right AHP (A) using base right prisms to shift the eyes into the direction of the null zone (left gaze) while the head is in primary position (B).
Abbreviation: AHP, abnormal head posture.
Figure 4 Example of environmental changes for a child with a left null zone (A). The child can be seated to on the right side of the classroom/television to place the eyes into the left gaze for a more comfortable head posture (B).
Abbreviation: AHP, abnormal head posture.
