Surgical Management of Pilocytic Astrocytoma of the Optic Nerve: A Case Report and Review of the Literature

Figure 3

Preoperative images. (a) Observe the right exophthalmus, the downward and outward dislocation of the ocular bulb, which places the pupil’s axis toward the medial. Hypoglobus and anisocoria (right-sided mydriasis) are clearly visible symptoms. The movements of the ocular bulb are completely blocked cranially and laterally. (b) The previous images with closed eyes. On the right side, the upper eyelid closure is incomplete.

(a)

(b)