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. 2013 Feb;97(2):238–241. doi: 10.1136/bjophthalmol-2012-302309

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Examples of previously published funduscopy images from Spastic Ataxia of Charlevoix-Saguenay (ARSACS) patients that probably were mistakenly considered to show hypermyelinated retinal fibres. A complete neuro-ophthalmological examination including stereophotographs, retinal nerve fibre photographs and analysis with digital image analysis devices such as optical coherence tomography in these ARSACS patients may demonstrate that they present increased retinal nerve fibre layer density and thickness instead hypermyelinated retinal fibres.