<prompt> A young man presents with history of motorcycle accident resulting in a fall on the head. The only finding is a bruise over the eyebrow. What is he most likely to suffer from?Orbital blow out fractureRosette cataractTraumatic optic neuropathyScleral rupture  <response>: Traumatic optic neuropathy can occur in trauma over eyebrowmost commonly at the junction of lateral 13rd and medial 23rd of eyebrow behind which runs the intra canalicular pa of optic nerve. Orbital blow out fracture will cause bruise over lower pa of eye, not eyebrow. Rosette cataract can be seen in trauma but it is not associated with bruise over the eyebrow. Scleral rupture will not occur in trauma occurring at the level of eyebrow. 