2nd January 2024

A 72-year-old obese male with a history of hypertension and type 2 diabetes mellitus

A 72-year-old obese male with a history of hypertension and type 2 diabetes mellitus presents with temporary darkening of his vision in the left eye of 2 minutes duration. He had never experienced anything like this before. On a dilated exam, he was found to have Hollenhorst plaques in his retina. What are the most appropriate first-line investigations?

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