Anterior ischaemic optic neuropathy is characterized by:
Correct Answer: Altitudinal hemianopia
Description: (Altitudinal hemianopia) (335-Parson 20th)Anterior ischaemic optic neuropathy (AION) - refers to the segmental or generalized infarction of anterior part of the optic nerve.Clinical features -* Visual loss is usually marked and sudden* Pale or hyperaemic disc, with splinter haemorrhage* Visual field shows typical altitudinal hemianopia.* Confirmation of the diagnosis - Temporal artery biopsy* Annular or ring shaped scotoma are seen in Retinitis pigmentosa.
Category:
Ophthalmology
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