Posterior Internuclear Ophthalmoplegia Of Lutz – A Rare Neurologic Occurrence Presenting In Enugu, Southeast Nigeria. A Case Report And Review Of Literature.

Background: Internuclear ophthalmoplegia is a known and readily recognizable condition in Neurology.The same cannot be said of posterior internuclear ophthalmoplegia, which is extremely rare and challenging for many clinicians.No case has been reported from Nigeria.Case Presentation: A 62-year-old obese male, found to be hypertensive on presentation, was referred to the Neurologist by his Ophthalmologist following sudden onset diplopia and lateral rectus palsy in the setting of severe hypertension.Neurological examination was eventful only for features of a right posterior internuclear ophthalmoplegia.Neuroimaging was unremarkable, while hyperlipidemia was discovered.The patient improved with medical management. Conclusion:This case highlights the need for a high index of suspicion by Neurologists and clinicians for rare and exquisite neurological syndromes of vascular aetiology.