Department of Ophthalmology and Visual Sciences, University of Adelaide, Adelaide, Australia; South Australian Institute of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia.
Department of Ophthalmology and Visual Sciences, University of Adelaide, Adelaide, Australia; South Australian Institute of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia.
Can J Ophthalmol. 2023 Oct;58(5):461-464. doi: 10.1016/j.jcjo.2022.05.004. Epub 2022 May 28.
To determine normal globe position values, interzygomatic distance (IZD), and globe axial length and width on computed tomography in an Australian cohort.
Retrospective cohort study.
Patients who underwent computed tomography of the orbits. Patients with bilateral disease, previous orbital surgery, or poor scan quality were excluded.
An axial slice through the midglobe was used to conduct the globe position measurements. Anterior globe position was defined as the perpendicular distance from the anterior globe margin to the interzygomatic line and posterior globe position as the perpendicular distance from the posterior globe margin to the interzygomatic line.
The normal measurements (mean ± SD) were IZD, 97.4 ± 4.1 mm; anterior globe position, 18.8 ± 2.8 mm; posterior globe position, 6.2 ± 2.9 mm; axial globe length, 24.9 ± 1.1 mm; and axial globe width, 25.9 ± 1.2 mm. A significant positive correlation was seen between the IZD and the anterior globe position (r = 0.15, p = 0.03), axial globe length (r = 0.33, p < 0.01), and axial globe width (r = 0.30, p < 0.01).
This normative globe position data may be used to diagnose radiologic exophthalmos or enophthalmos.
确定澳大利亚队列中正常眼球位置值、眶间距离（IZD）以及眼球轴向长度和宽度的 CT 值。
回顾性队列研究。
接受眼眶 CT 检查的患者。排除双侧疾病、既往眼眶手术或扫描质量差的患者。
使用通过中眼球的轴位切片进行眼球位置测量。前眼球位置定义为从前眼球缘到眶间线的垂直距离，后眼球位置定义为从后眼球缘到眶间线的垂直距离。
正常测量值（平均值±标准差）为 IZD，97.4±4.1mm；前眼球位置，18.8±2.8mm；后眼球位置，6.2±2.9mm；眼球轴向长度，24.9±1.1mm；眼球轴向宽度，25.9±1.2mm。IZD 与前眼球位置（r=0.15，p=0.03）、眼球轴向长度（r=0.33，p<0.01）和眼球轴向宽度（r=0.30，p<0.01）呈显著正相关。
该正常眼球位置数据可用于诊断影像学眼球突出或眼球内陷。
