A 44-year-old obese woman presented with decrease in vision in the right eye (RE) for 3 days. She reported a simultaneous onset of holocranial headache that worsened on bending forward. She denied eye pain, pain on eye movements, and other ocular or neurological complaints. On examination, her distance best-corrected visual acuity was counting fingers at 1 m in the RE and 20/20 in the left eye (LE). Colour vision was subnormal in both eyes (BE). There was grade II relative afferent pupillary defect in the RE. Fundus examination showed disc oedema in BE . Visual fields in the LE showed central scotoma extending nasally. A provisional diagnosis of papillitis was considered. However, contrast-enhanced MRI of the brain and orbits showed evidence of elevated intracranial pressure. Cerebrospinal fluid (CSF) opening pressure was 42 cm H2O while rest of the CSF analysis was normal. Diagnosis was revised to fulminant idiopathic intracranial hypertension. Management with medical therapy and urgent thecoperiteoneal shunt improved visual function in BE.
- visual pathway
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Contributors VS helped with conceptualisation, data curation, supervision, writing the review and editing. JS and MK helped with data curation and writing the primary draft. RK helped with supervision, writing the review, editing and supporting. In short, VS helped with concept and design; VS, JS and MK with manuscript preparation and collection of data; and VS, JS, MK and RK with the critical revision of the manuscript.
Competing interests None declared.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.