High-Speed Photographic Study of Perforating Ocular Injury by the BB* *These studies were carried out at the Biophysics Division, Army Chemical Center, Maryland, and represent a co-operative effort of the School of Aviation Medicine and the Army Chemical Center. At the time of their completion Dr. Tillett was at the Wilmer Ophthalmological Institute, Johns Hopkins Hospital and consultant to the Biophysics Division; Dr. Rose was at the School of Aviation Medicine, Randolph Air Force Base, Texas; and Dr. Herget was Chief of Biophysics Division, Army Chemical Center. This work was presented in part at the Wilmer Residents Association, 10th clinical meeting on April 12, 1951, and 11th clinical meeting on April 3, 1952.