[Possibilities of locating foreign bodies by computed tomography].

Clinical and experimental examinations are described for the localization of intra-ocular and intra-orbital foreign bodies by CT scan. The minimal detectable diameter size was 0.2 X 0.3 mm for metal, and 0.5 mm for glass. We had difficulty in distinguishing wood from air bubbles, mainly in the retrobulbar space. First clinical results have shown CT-localization to be useful in cases where conventional X-ray techniques led to doubtful results.