optic atrophy

Acquired causes
multiple sclerosis
papilloedema (longstanding)
raised intraocular pressure (e.g. glaucoma, tumour)
retinal damage (e.g. choroiditis, retinitis pigmentosa)
ischaemia
toxins: tobacco amblyopia, quinine, methanol, arsenic, lead
nutritional: vitamin B1, B2, B6 and B12 deficiency

Congenital causes
Friedreich's ataxia
mitochondrial disorders e.g. Leber's optic atrophy
DIDMOAD - the association of cranial Diabetes Insipidus, Diabetes Mellitus, Optic Atrophy and Deafness (also known as Wolfram's syndrome)

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