Author: Vaishnavi Menon, Varshini Manoharan, Riad Hosein / Editor: Nick Tilbury / Codes: NeuP2, NeuP7, OptC6, OptP5, SLO1 / Published: 16/02/2021

A 69-year-old lady presents with a 3-week history of right-sided headache and jaw claudication, associated with significant reduction in vision of the right eye over the last 2 days. She has no past medical history of note.

On general inspection, she has a prominent temporal artery on the right side. On palpation of the temporal artery, reduced pulsation is noted and the patient reports tenderness.

Visual acuity assessment is completed using a Snellen chart – right eye visual acuity is so reduced she is only able to count fingers and left eye visual acuity is 6/6. No abnormality is seen on external eye and anterior segment exam. On fundoscopy, the right optic disc is pale and swollen.

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