17th August 2023

A 58-year-old female attends her GP surgery after experiencing sudden transient loss of vision in her left eye

A 58-year-old female attends her GP surgery after experiencing sudden transient loss of vision in her left eye that morning, lasting for 15 minutes. She describes it as a “curtain coming down”. There was no accompanying headache and no other neurological symptoms. On examination, her visual fields and acuity are normal.

What is the most likely diagnosis?