Vision at risk

October 2009


Multiple sclerosis presenting with homonymous hemianopia

Volume 38, No.10, October 2009 Pages 795-796

Siew W Law

Andrew W Lee

Celia S Chen

Ophthalmic manifestations are a prominent feature of multiple sclerosis (MS). Optic neuritis accounts for 18% of initial MS symptoms and 40–70% of all patients with MS have at least one episode of optic neuritis during their disease course.1 Eye movement abnormalities such as internuclear ophthalmoplegia are seen in over 50% of patients with MS.2 This case study describes a rare initial presentation of MS with ‘left eye blurred vision’ and examination findings of a complete left homonymous hemianopia. Although homonymous hemianopia is uncommon (0.5–3.5% of MS cases),3 this case highlights an important reminder that people with a field defect often complain of ‘blurred vision’ on the side of the defect.

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