PMC5848352_01
(a-e) Magnetic resonance imaging
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F1
A magnetic resonance imaging was advised which revealed vermian hypoplasia with ballooning of the 4th ventricle, hypoplastic cerebellar hemispheres, moderate dilatation of lateral ventricles, dilated cortical sulci, and shallow orbits [Figure 1a-d]. A gross lateral deviation of the eyeball was seen, with inability to visualize the medial recti on both sides [Figure 1e].
Abnormal head posture
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F2
On examination during this visit, he had a right face turn with a slight chin-up posture [Figure 2].
Preoperative 9 gaze photos
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F3
The ocular motility showed a limitation of adduction not even up to midline and an elevation limitation of - 3 in BE [Figure 3].
Postoperative photos
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F4
On PBCT, he had a 20 PD esotropia with 15 PD right hypertropia [Figure 4].