Ji Y, Zhou Y, Shen Q, et al. - In order to establish a linear measuring method in computed tomographic (CT) images to prophesy the displacement of the globe late after orbital blowout fracture, researchers assessed adult individuals (≥ 18 years old at the time of trauma) with unilateral orbital medial-wall and/or floor fractures. The patients underwent a CT examination at least 30 days after trauma. They excluded patients with facial or orbital fracture extending to other parts of the orbit than medial-wall and/or floor; with a history of orbital or ocular abnormality other than the orbital trauma; with severe ocular trauma accompanied by the orbital trauma; and with orbital fracture treated surgically before the CT examination. Based on the orbital CT scans, they built a co-ordinate system. Ninety-nine percent of fracture sites of the medial wall and 100% of fracture sites of the floor were posterior to the center of the unaffected globe. In correlation with displacements of the orbital walls, displacement of the globe occurred, and therefore the regression formulae were fitted. Application of the formulae revealed that female patients vs male patients exhibit more displacement of the globe in case the two had the same extent of orbital wall displacement. Findings suggest that the regression formulae, by measuring the displacements of orbital walls, may predict the late displacement of the globe.