22nd August 2023

A 32-year-old man presents to A&E with a painful, red left eye after being hit in the face with a cricket ball

A 32-year-old man presents to A&E with a painful, red left eye after being hit in the face with a cricket ball. On examination, his left eye is proptotic and is resistant to retropulsion. His visual acuity is reduced, and he has a relative afferent pupillary defect.

What is the most likely diagnosis?