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  Indian J Med Microbiol
 

Figure 7: Example of treatment effect on nystagmus during vertical gaze. This figure shows binocular, vertical position, eye movement characteristics of patient 7 at baseline and after treatment as a function of vertical gaze. There is a clear postoperative reduction in nystagmus intensity, both amplitude and frequency, seen in all vertical gaze positions except down-gaze 20°. The postoperative change is especially noticeable in primary position (position trace right and left eye seen on top and velocity tract at bottom). OD: Right eye, OS: Left eye, DEG: Degrees, + = Up-gaze, − = Down-gaze

Figure 7: Example of treatment effect on nystagmus during vertical gaze. This figure shows binocular, vertical position, eye movement characteristics of patient 7 at baseline and after treatment as a function of vertical gaze. There is a clear postoperative reduction in nystagmus intensity, both amplitude and frequency, seen in all vertical gaze positions except down-gaze 20°. The postoperative change is especially noticeable in primary position (position trace right and left eye seen on top and velocity tract at bottom). OD: Right eye, OS: Left eye, DEG: Degrees, + = Up-gaze, − = Down-gaze