2nd January 2024

A 57-year-old obese male presents complaining of multiple episodes of transient visual loss

A 57-year-old obese male presents complaining of multiple episodes of transient visual loss in the right eye following a long-haul flight. He describes episodes as a curtain descending on his vision and then lifting. The episodes last 1 to 2 minutes. What is the best investigation in identifying the cause?

Select the SINGLE most appropriate option from the list below. Select ONE option only.