Blunt/penetrating traumaThrough various indirect mechanisms the optic nerve may become detached at the lamina cribrosa, which is the weakest point, due to trauma-related sudden increase in intraocular pressure, sudden posterior displacement of the optic nerve, and strong rotation or anterior displacement of the globe.
- Road traffic accidents
- Sporting accidents
- Vitreous haemorrhage (VH)
- excavation in the optic disc area
- Steroid therapy