Case 50
History: An incidental finding of a patient with bilateral myelinated nerve fibres. The myelination appears
white with feathery edges. Normally, myelination of the optic nerve stops at lamina cribosa but in some
normal people it can extend onto the retina. Myelination if present often occurs around the optic disc
but may be found anywhere on the retina. Visual fields in this patient will be expected to show increased
blind spots as the myelination prevents light falling on the photoreceptors.

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