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ANTERIOR ISCHAEMIC OPTIC NEUROPATHY |
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vasculitic causes: |
giant cell arteritis |
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non-vasculitic: |
hypertension [40%] diabetes mellitus [22%] other CVS disease [23%], eg. MI, carotid artery diseaseno cause found [25%] |
NB: with involvement of second eye
[usually after 5 years in non-vasculitic type], the pseudo-Foster-Kennedy syndrome occurs, i.e. optic atrophy on original side and swollen disc on other side.
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