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CSF leak is a rare complication in IIH patients. We have shown that rhinorrhea can be the presenting sign in these patients and that rhinorrhea and otorrhea can be a late sign of the disease.

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Patients with glaucoma show a decrease in IOP on repeated applanation tonometry measurements. By contrast, in individuals without glaucoma, no significant decrease in IOP on repeated applanation tonometry measurements was found.

The aim of this study was to describe the association between pediatric pseudotumor cerebri and low serum vitamin A levels. We retrospectively reviewed the charts of 6 children (5 boys, 1 girl; mean age 8 years) with increased intracranial pressure and low serum vitamin A levels (mean 16.0 ± 8.8 µg/dL). The etiology of the vitamin A deficiency was a restricted diet (2 children), intestinal malabsorption caused by celiac disease (2 children), and undetermined cause (2 children). Only 1 child had ocular signs of xerosis. Poor visual acuity at presentation and lower serum vitamin A levels were associated with a poor visual outcome and development of optic atrophy. In conclusion, pseudotumor cerebri in children can be associated with vitamin A deficiency even when other manifestations of xerophthalmia do not exist. Early recognition of this condition and appropriate therapy can prevent blindness.

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This study highlights the striking lack of consensus among pediatric ophthalmologists in many aspects of management of CNLDO and allows practitioners to compare their practice patterns regarding CNLDO management with those of their peers; however, because it provides only the opinions of a limited group of pediatric ophthalmologists, it does not imply that less common practices are wrong.