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Optic nerve disorders

Dr Kendrick Shih

Optic Atrophy

When is it optic atrophy? The optic nerve comprises of 1.2 million myelinated axons. Once damaged, the axons do not regenerate (behaves more like a white matter tract than a true peripheral nerve). Thus optic atrophy is the common morphological endpoint of any optic neuropathy. ...

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Papilloedema

When is it true optic disc edema? The optic nerve head consists of a bundle of densely packed axons from 1.2 million retinal ganglion cells and also encases the central retinal artery and vein. Thus, true optic disc swelling should have both mechanical and vascular ...

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