Eleven eyes sustained a contracoup corneal injury involving primarily the epithelium and endothelium. The epithelial damage and endothelial edema resolve in 24 to 72 hours without apparent residual effects. This injury is observed following an explosion generating small missiles with insufficient density or velocity for deep penetration or perforation.
Runyan TE, Ewald RA. Blank Cartridge Injury of the Cornea. Arch Ophthalmol. 1970;84(5):690-691. doi:10.1001/archopht.1970.00990040692024