Temporal arteritis is a potentially blinding disease of the elderly; its effects are principally due to inflammatory obliteration of the arterial supply to the retina and the optic nerve head. The ophthalmic artery and the extraocular course of the central retinal and posterior ciliary arteries may be involved singly or in combination. The usual presenting feature in these cases is acute ischaemic optic neuropathy due to diminished posterior ciliary artery perfusion; central retinal artery occlusion is less frequently seen.
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David McLeod (1973) studied this question.