A healthy 41-year-old man who works in the construction industry was referred by his optician with a retinal haemorrhage in the right eye. The patient himself was asymptomatic, and the haemorrhage was picked up during a routine visit to the optician. He had no significant ocular history or medical history, and, of particular note, he was not receiving any anticoagulants. On examination, he was found to have an unaided visual acuity of 6/6 in both eyes. Anterior segment examination was unremarkable in both eyes. On fundal examination, the left fundus was unremarkable. Figure …